64470800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:553

約数の個数: 120

約数和(自身を含む): 172980000

約数和(自身を除く): 108509200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 152, 170, 190, 200, 272, 304, 323, 340, 380, 400, 425, 475, 499, 646, 680, 760, 850, 950, 998, 1292, 1360, 1520, 1615, 1700, 1900, 1996, 2495, 2584, 3230, 3400, 3800, 3992, 4990, 5168, 6460, 6800, 7600, 7984, 8075, 8483, 9481, 9980, 12475, 12920, 16150, 16966, 18962, 19960, 24950, 25840, 32300, 33932, 37924, 39920, 42415, 47405, 49900, 64600, 67864, 75848, 84830, 94810, 99800, 129200, 135728, 151696, 161177, 169660, 189620, 199600, 212075, 237025, 322354, 339320, 379240, 424150, 474050, 644708, 678640, 758480, 805885, 848300, 948100, 1289416, 1611770, 1696600, 1896200, 2578832, 3223540, 3393200, 3792400, 4029425, 6447080, 8058850, 12894160, 16117700, 32235400, 64470800]

約数ペア:

[(1, 64470800), (2, 32235400), (4, 16117700), (5, 12894160), (8, 8058850), (10, 6447080), (16, 4029425), (17, 3792400), (19, 3393200), (20, 3223540), (25, 2578832), (34, 1896200), (38, 1696600), (40, 1611770), (50, 1289416), (68, 948100), (76, 848300), (80, 805885), (85, 758480), (95, 678640), (100, 644708), (136, 474050), (152, 424150), (170, 379240), (190, 339320), (200, 322354), (272, 237025), (304, 212075), (323, 199600), (340, 189620), (380, 169660), (400, 161177), (425, 151696), (475, 135728), (499, 129200), (646, 99800), (680, 94810), (760, 84830), (850, 75848), (950, 67864), (998, 64600), (1292, 49900), (1360, 47405), (1520, 42415), (1615, 39920), (1700, 37924), (1900, 33932), (1996, 32300), (2495, 25840), (2584, 24950), (3230, 19960), (3400, 18962), (3800, 16966), (3992, 16150), (4990, 12920), (5168, 12475), (6460, 9980), (6800, 9481), (7600, 8483), (7984, 8075)]