31047900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 102076800

約数和(自身を除く): 71028900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 419, 475, 494, 570, 650, 741, 780, 838, 950, 975, 988, 1140, 1235, 1257, 1300, 1425, 1482, 1676, 1900, 1950, 2095, 2470, 2514, 2850, 2964, 3705, 3900, 4190, 4940, 5028, 5447, 5700, 6175, 6285, 7410, 7961, 8380, 10475, 10894, 12350, 12570, 14820, 15922, 16341, 18525, 20950, 21788, 23883, 24700, 25140, 27235, 31425, 31844, 32682, 37050, 39805, 41900, 47766, 54470, 62850, 65364, 74100, 79610, 81705, 95532, 103493, 108940, 119415, 125700, 136175, 159220, 163410, 199025, 206986, 238830, 272350, 310479, 326820, 398050, 408525, 413972, 477660, 517465, 544700, 597075, 620958, 796100, 817050, 1034930, 1194150, 1241916, 1552395, 1634100, 2069860, 2388300, 2587325, 3104790, 5174650, 6209580, 7761975, 10349300, 15523950, 31047900]

約数ペア:

[(1, 31047900), (2, 15523950), (3, 10349300), (4, 7761975), (5, 6209580), (6, 5174650), (10, 3104790), (12, 2587325), (13, 2388300), (15, 2069860), (19, 1634100), (20, 1552395), (25, 1241916), (26, 1194150), (30, 1034930), (38, 817050), (39, 796100), (50, 620958), (52, 597075), (57, 544700), (60, 517465), (65, 477660), (75, 413972), (76, 408525), (78, 398050), (95, 326820), (100, 310479), (114, 272350), (130, 238830), (150, 206986), (156, 199025), (190, 163410), (195, 159220), (228, 136175), (247, 125700), (260, 119415), (285, 108940), (300, 103493), (325, 95532), (380, 81705), (390, 79610), (419, 74100), (475, 65364), (494, 62850), (570, 54470), (650, 47766), (741, 41900), (780, 39805), (838, 37050), (950, 32682), (975, 31844), (988, 31425), (1140, 27235), (1235, 25140), (1257, 24700), (1300, 23883), (1425, 21788), (1482, 20950), (1676, 18525), (1900, 16341), (1950, 15922), (2095, 14820), (2470, 12570), (2514, 12350), (2850, 10894), (2964, 10475), (3705, 8380), (3900, 7961), (4190, 7410), (4940, 6285), (5028, 6175), (5447, 5700)]