138616400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 240

約数和(自身を含む): 400391040

約数和(自身を除く): 261774640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 23, 25, 26, 38, 40, 46, 50, 52, 61, 65, 76, 80, 92, 95, 100, 104, 115, 122, 130, 152, 184, 190, 200, 208, 230, 244, 247, 260, 299, 304, 305, 325, 368, 380, 400, 437, 460, 475, 488, 494, 520, 575, 598, 610, 650, 760, 793, 874, 920, 950, 976, 988, 1040, 1150, 1159, 1196, 1220, 1235, 1300, 1403, 1495, 1520, 1525, 1586, 1748, 1840, 1900, 1976, 2185, 2300, 2318, 2392, 2440, 2470, 2600, 2806, 2990, 3050, 3172, 3496, 3800, 3952, 3965, 4370, 4600, 4636, 4784, 4880, 4940, 5200, 5612, 5681, 5795, 5980, 6100, 6175, 6344, 6992, 7015, 7475, 7600, 7930, 8740, 9200, 9272, 9880, 10925, 11224, 11362, 11590, 11960, 12200, 12350, 12688, 14030, 14950, 15067, 15860, 17480, 18239, 18544, 19760, 19825, 21850, 22448, 22724, 23180, 23920, 24400, 24700, 26657, 28060, 28405, 28975, 29900, 30134, 31720, 34960, 35075, 36478, 39650, 43700, 45448, 46360, 49400, 53314, 56120, 56810, 57950, 59800, 60268, 63440, 70150, 72956, 75335, 79300, 87400, 90896, 91195, 92720, 98800, 106628, 112240, 113620, 115900, 119600, 120536, 133285, 140300, 142025, 145912, 150670, 158600, 174800, 182390, 213256, 227240, 231800, 241072, 266570, 280600, 284050, 291824, 301340, 317200, 346541, 364780, 376675, 426512, 454480, 455975, 463600, 533140, 561200, 568100, 602680, 666425, 693082, 729560, 753350, 911950, 1066280, 1136200, 1205360, 1332850, 1386164, 1459120, 1506700, 1732705, 1823900, 2132560, 2272400, 2665700, 2772328, 3013400, 3465410, 3647800, 5331400, 5544656, 6026800, 6930820, 7295600, 8663525, 10662800, 13861640, 17327050, 27723280, 34654100, 69308200, 138616400]

約数ペア:

[(1, 138616400), (2, 69308200), (4, 34654100), (5, 27723280), (8, 17327050), (10, 13861640), (13, 10662800), (16, 8663525), (19, 7295600), (20, 6930820), (23, 6026800), (25, 5544656), (26, 5331400), (38, 3647800), (40, 3465410), (46, 3013400), (50, 2772328), (52, 2665700), (61, 2272400), (65, 2132560), (76, 1823900), (80, 1732705), (92, 1506700), (95, 1459120), (100, 1386164), (104, 1332850), (115, 1205360), (122, 1136200), (130, 1066280), (152, 911950), (184, 753350), (190, 729560), (200, 693082), (208, 666425), (230, 602680), (244, 568100), (247, 561200), (260, 533140), (299, 463600), (304, 455975), (305, 454480), (325, 426512), (368, 376675), (380, 364780), (400, 346541), (437, 317200), (460, 301340), (475, 291824), (488, 284050), (494, 280600), (520, 266570), (575, 241072), (598, 231800), (610, 227240), (650, 213256), (760, 182390), (793, 174800), (874, 158600), (920, 150670), (950, 145912), (976, 142025), (988, 140300), (1040, 133285), (1150, 120536), (1159, 119600), (1196, 115900), (1220, 113620), (1235, 112240), (1300, 106628), (1403, 98800), (1495, 92720), (1520, 91195), (1525, 90896), (1586, 87400), (1748, 79300), (1840, 75335), (1900, 72956), (1976, 70150), (2185, 63440), (2300, 60268), (2318, 59800), (2392, 57950), (2440, 56810), (2470, 56120), (2600, 53314), (2806, 49400), (2990, 46360), (3050, 45448), (3172, 43700), (3496, 39650), (3800, 36478), (3952, 35075), (3965, 34960), (4370, 31720), (4600, 30134), (4636, 29900), (4784, 28975), (4880, 28405), (4940, 28060), (5200, 26657), (5612, 24700), (5681, 24400), (5795, 23920), (5980, 23180), (6100, 22724), (6175, 22448), (6344, 21850), (6992, 19825), (7015, 19760), (7475, 18544), (7600, 18239), (7930, 17480), (8740, 15860), (9200, 15067), (9272, 14950), (9880, 14030), (10925, 12688), (11224, 12350), (11362, 12200), (11590, 11960)]