17858820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 57851136

約数和(自身を除く): 39992316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 421, 505, 606, 707, 842, 1010, 1212, 1263, 1414, 1515, 1684, 2020, 2105, 2121, 2526, 2828, 2947, 3030, 3535, 4210, 4242, 5052, 5894, 6060, 6315, 7070, 8420, 8484, 8841, 10605, 11788, 12630, 14140, 14735, 17682, 21210, 25260, 29470, 35364, 42420, 42521, 44205, 58940, 85042, 88410, 127563, 170084, 176820, 212605, 255126, 297647, 425210, 510252, 595294, 637815, 850420, 892941, 1190588, 1275630, 1488235, 1785882, 2551260, 2976470, 3571764, 4464705, 5952940, 8929410, 17858820]

約数ペア:

[(1, 17858820), (2, 8929410), (3, 5952940), (4, 4464705), (5, 3571764), (6, 2976470), (7, 2551260), (10, 1785882), (12, 1488235), (14, 1275630), (15, 1190588), (20, 892941), (21, 850420), (28, 637815), (30, 595294), (35, 510252), (42, 425210), (60, 297647), (70, 255126), (84, 212605), (101, 176820), (105, 170084), (140, 127563), (202, 88410), (210, 85042), (303, 58940), (404, 44205), (420, 42521), (421, 42420), (505, 35364), (606, 29470), (707, 25260), (842, 21210), (1010, 17682), (1212, 14735), (1263, 14140), (1414, 12630), (1515, 11788), (1684, 10605), (2020, 8841), (2105, 8484), (2121, 8420), (2526, 7070), (2828, 6315), (2947, 6060), (3030, 5894), (3535, 5052), (4210, 4242)]