19931700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 60482240

約数和(自身を除く): 40550540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 79, 87, 100, 116, 145, 150, 158, 174, 237, 290, 300, 316, 348, 395, 435, 474, 580, 725, 790, 841, 870, 948, 1185, 1450, 1580, 1682, 1740, 1975, 2175, 2291, 2370, 2523, 2900, 3364, 3950, 4205, 4350, 4582, 4740, 5046, 5925, 6873, 7900, 8410, 8700, 9164, 10092, 11455, 11850, 12615, 13746, 16820, 21025, 22910, 23700, 25230, 27492, 34365, 42050, 45820, 50460, 57275, 63075, 66439, 68730, 84100, 114550, 126150, 132878, 137460, 171825, 199317, 229100, 252300, 265756, 332195, 343650, 398634, 664390, 687300, 797268, 996585, 1328780, 1660975, 1993170, 3321950, 3986340, 4982925, 6643900, 9965850, 19931700]

約数ペア:

[(1, 19931700), (2, 9965850), (3, 6643900), (4, 4982925), (5, 3986340), (6, 3321950), (10, 1993170), (12, 1660975), (15, 1328780), (20, 996585), (25, 797268), (29, 687300), (30, 664390), (50, 398634), (58, 343650), (60, 332195), (75, 265756), (79, 252300), (87, 229100), (100, 199317), (116, 171825), (145, 137460), (150, 132878), (158, 126150), (174, 114550), (237, 84100), (290, 68730), (300, 66439), (316, 63075), (348, 57275), (395, 50460), (435, 45820), (474, 42050), (580, 34365), (725, 27492), (790, 25230), (841, 23700), (870, 22910), (948, 21025), (1185, 16820), (1450, 13746), (1580, 12615), (1682, 11850), (1740, 11455), (1975, 10092), (2175, 9164), (2291, 8700), (2370, 8410), (2523, 7900), (2900, 6873), (3364, 5925), (3950, 5046), (4205, 4740), (4350, 4582)]