31312400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 88012224

約数和(自身を除く): 56699824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 53, 56, 70, 80, 100, 106, 112, 140, 175, 200, 211, 212, 265, 280, 350, 371, 400, 422, 424, 530, 560, 700, 742, 844, 848, 1055, 1060, 1325, 1400, 1477, 1484, 1688, 1855, 2110, 2120, 2650, 2800, 2954, 2968, 3376, 3710, 4220, 4240, 5275, 5300, 5908, 5936, 7385, 7420, 8440, 9275, 10550, 10600, 11183, 11816, 14770, 14840, 16880, 18550, 21100, 21200, 22366, 23632, 29540, 29680, 36925, 37100, 42200, 44732, 55915, 59080, 73850, 74200, 78281, 84400, 89464, 111830, 118160, 147700, 148400, 156562, 178928, 223660, 279575, 295400, 313124, 391405, 447320, 559150, 590800, 626248, 782810, 894640, 1118300, 1252496, 1565620, 1957025, 2236600, 3131240, 3914050, 4473200, 6262480, 7828100, 15656200, 31312400]

約数ペア:

[(1, 31312400), (2, 15656200), (4, 7828100), (5, 6262480), (7, 4473200), (8, 3914050), (10, 3131240), (14, 2236600), (16, 1957025), (20, 1565620), (25, 1252496), (28, 1118300), (35, 894640), (40, 782810), (50, 626248), (53, 590800), (56, 559150), (70, 447320), (80, 391405), (100, 313124), (106, 295400), (112, 279575), (140, 223660), (175, 178928), (200, 156562), (211, 148400), (212, 147700), (265, 118160), (280, 111830), (350, 89464), (371, 84400), (400, 78281), (422, 74200), (424, 73850), (530, 59080), (560, 55915), (700, 44732), (742, 42200), (844, 37100), (848, 36925), (1055, 29680), (1060, 29540), (1325, 23632), (1400, 22366), (1477, 21200), (1484, 21100), (1688, 18550), (1855, 16880), (2110, 14840), (2120, 14770), (2650, 11816), (2800, 11183), (2954, 10600), (2968, 10550), (3376, 9275), (3710, 8440), (4220, 7420), (4240, 7385), (5275, 5936), (5300, 5908)]