201618725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 338764032

約数和(自身を除く): 137145307

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 61, 77, 85, 101, 119, 175, 187, 275, 305, 385, 425, 427, 505, 595, 671, 707, 935, 1037, 1111, 1309, 1525, 1717, 1925, 2135, 2525, 2975, 3355, 3535, 4675, 4697, 5185, 5555, 6161, 6545, 7259, 7777, 8585, 10675, 11407, 12019, 16775, 17675, 18887, 23485, 25925, 27775, 30805, 32725, 36295, 38885, 42925, 43127, 57035, 60095, 67771, 79849, 94435, 104737, 117425, 132209, 154025, 181475, 194425, 215635, 285175, 300475, 338855, 399245, 472175, 474397, 523685, 661045, 733159, 1078175, 1152107, 1694275, 1996225, 2371985, 2618425, 3305225, 3665795, 5760535, 8064749, 11859925, 18328975, 28802675, 40323745, 201618725]

約数ペア:

[(1, 201618725), (5, 40323745), (7, 28802675), (11, 18328975), (17, 11859925), (25, 8064749), (35, 5760535), (55, 3665795), (61, 3305225), (77, 2618425), (85, 2371985), (101, 1996225), (119, 1694275), (175, 1152107), (187, 1078175), (275, 733159), (305, 661045), (385, 523685), (425, 474397), (427, 472175), (505, 399245), (595, 338855), (671, 300475), (707, 285175), (935, 215635), (1037, 194425), (1111, 181475), (1309, 154025), (1525, 132209), (1717, 117425), (1925, 104737), (2135, 94435), (2525, 79849), (2975, 67771), (3355, 60095), (3535, 57035), (4675, 43127), (4697, 42925), (5185, 38885), (5555, 36295), (6161, 32725), (6545, 30805), (7259, 27775), (7777, 25925), (8585, 23485), (10675, 18887), (11407, 17675), (12019, 16775)]