1949900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 4749696

約数和(自身を除く): 2799796

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 37, 50, 62, 68, 74, 85, 100, 124, 148, 155, 170, 185, 310, 340, 370, 425, 527, 620, 629, 740, 775, 850, 925, 1054, 1147, 1258, 1550, 1700, 1850, 2108, 2294, 2516, 2635, 3100, 3145, 3700, 4588, 5270, 5735, 6290, 10540, 11470, 12580, 13175, 15725, 19499, 22940, 26350, 28675, 31450, 38998, 52700, 57350, 62900, 77996, 97495, 114700, 194990, 389980, 487475, 974950, 1949900]

約数ペア:

[(1, 1949900), (2, 974950), (4, 487475), (5, 389980), (10, 194990), (17, 114700), (20, 97495), (25, 77996), (31, 62900), (34, 57350), (37, 52700), (50, 38998), (62, 31450), (68, 28675), (74, 26350), (85, 22940), (100, 19499), (124, 15725), (148, 13175), (155, 12580), (170, 11470), (185, 10540), (310, 6290), (340, 5735), (370, 5270), (425, 4588), (527, 3700), (620, 3145), (629, 3100), (740, 2635), (775, 2516), (850, 2294), (925, 2108), (1054, 1850), (1147, 1700), (1258, 1550)]