256701900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9403}}^1$

素因数の和:9440

約数の個数: 144

約数和(自身を含む): 914219264

約数和(自身を除く): 657517364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 9100, 9403, 13650, 18806, 27300, 28209, 37612, 47015, 56418, 65821, 94030, 112836, 122239, 131642, 141045, 188060, 197463, 235075, 244478, 263284, 282090, 329105, 366717, 394926, 470150, 488956, 564180, 611195, 658210, 705225, 733434, 789852, 855673, 940300, 987315, 1222390, 1316420, 1410450, 1466868, 1645525, 1711346, 1833585, 1974630, 2444780, 2567019, 2820900, 3055975, 3291050, 3422692, 3667170, 3949260, 4278365, 4936575, 5134038, 6111950, 6582100, 7334340, 8556730, 9167925, 9873150, 10268076, 12223900, 12835095, 17113460, 18335850, 19746300, 21391825, 25670190, 36671700, 42783650, 51340380, 64175475, 85567300, 128350950, 256701900]

約数ペア:

[(1, 256701900), (2, 128350950), (3, 85567300), (4, 64175475), (5, 51340380), (6, 42783650), (7, 36671700), (10, 25670190), (12, 21391825), (13, 19746300), (14, 18335850), (15, 17113460), (20, 12835095), (21, 12223900), (25, 10268076), (26, 9873150), (28, 9167925), (30, 8556730), (35, 7334340), (39, 6582100), (42, 6111950), (50, 5134038), (52, 4936575), (60, 4278365), (65, 3949260), (70, 3667170), (75, 3422692), (78, 3291050), (84, 3055975), (91, 2820900), (100, 2567019), (105, 2444780), (130, 1974630), (140, 1833585), (150, 1711346), (156, 1645525), (175, 1466868), (182, 1410450), (195, 1316420), (210, 1222390), (260, 987315), (273, 940300), (300, 855673), (325, 789852), (350, 733434), (364, 705225), (390, 658210), (420, 611195), (455, 564180), (525, 488956), (546, 470150), (650, 394926), (700, 366717), (780, 329105), (910, 282090), (975, 263284), (1050, 244478), (1092, 235075), (1300, 197463), (1365, 188060), (1820, 141045), (1950, 131642), (2100, 122239), (2275, 112836), (2730, 94030), (3900, 65821), (4550, 56418), (5460, 47015), (6825, 37612), (9100, 28209), (9403, 27300), (13650, 18806)]