204391740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3704

約数の個数: 144

約数和(自身を含む): 700963200

約数和(自身を除く): 496571460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3659, 3724, 3990, 4655, 5586, 7318, 7980, 9310, 10977, 11172, 13965, 14636, 18295, 18620, 21954, 25613, 27930, 36590, 43908, 51226, 54885, 55860, 69521, 73180, 76839, 102452, 109770, 128065, 139042, 153678, 179291, 208563, 219540, 256130, 278084, 307356, 347605, 358582, 384195, 417126, 486647, 512260, 537873, 695210, 717164, 768390, 834252, 896455, 973294, 1042815, 1075746, 1390420, 1459941, 1536780, 1792910, 1946588, 2085630, 2151492, 2433235, 2689365, 2919882, 3406529, 3585820, 4171260, 4866470, 5378730, 5839764, 6813058, 7299705, 9732940, 10219587, 10757460, 13626116, 14599410, 17032645, 20439174, 29198820, 34065290, 40878348, 51097935, 68130580, 102195870, 204391740]

約数ペア:

[(1, 204391740), (2, 102195870), (3, 68130580), (4, 51097935), (5, 40878348), (6, 34065290), (7, 29198820), (10, 20439174), (12, 17032645), (14, 14599410), (15, 13626116), (19, 10757460), (20, 10219587), (21, 9732940), (28, 7299705), (30, 6813058), (35, 5839764), (38, 5378730), (42, 4866470), (49, 4171260), (57, 3585820), (60, 3406529), (70, 2919882), (76, 2689365), (84, 2433235), (95, 2151492), (98, 2085630), (105, 1946588), (114, 1792910), (133, 1536780), (140, 1459941), (147, 1390420), (190, 1075746), (196, 1042815), (210, 973294), (228, 896455), (245, 834252), (266, 768390), (285, 717164), (294, 695210), (380, 537873), (399, 512260), (420, 486647), (490, 417126), (532, 384195), (570, 358582), (588, 347605), (665, 307356), (735, 278084), (798, 256130), (931, 219540), (980, 208563), (1140, 179291), (1330, 153678), (1470, 139042), (1596, 128065), (1862, 109770), (1995, 102452), (2660, 76839), (2793, 73180), (2940, 69521), (3659, 55860), (3724, 54885), (3990, 51226), (4655, 43908), (5586, 36590), (7318, 27930), (7980, 25613), (9310, 21954), (10977, 18620), (11172, 18295), (13965, 14636)]