201607780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 468687744

約数和(自身を除く): 267079964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 227, 242, 367, 454, 484, 605, 734, 908, 1135, 1210, 1468, 1835, 2270, 2420, 2497, 3670, 4037, 4540, 4994, 7340, 8074, 9988, 12485, 16148, 20185, 24970, 27467, 40370, 44407, 49940, 54934, 80740, 83309, 88814, 109868, 137335, 166618, 177628, 222035, 274670, 333236, 416545, 444070, 549340, 833090, 888140, 916399, 1666180, 1832798, 3665596, 4581995, 9163990, 10080389, 18327980, 20160778, 40321556, 50401945, 100803890, 201607780]

約数ペア:

[(1, 201607780), (2, 100803890), (4, 50401945), (5, 40321556), (10, 20160778), (11, 18327980), (20, 10080389), (22, 9163990), (44, 4581995), (55, 3665596), (110, 1832798), (121, 1666180), (220, 916399), (227, 888140), (242, 833090), (367, 549340), (454, 444070), (484, 416545), (605, 333236), (734, 274670), (908, 222035), (1135, 177628), (1210, 166618), (1468, 137335), (1835, 109868), (2270, 88814), (2420, 83309), (2497, 80740), (3670, 54934), (4037, 49940), (4540, 44407), (4994, 40370), (7340, 27467), (8074, 24970), (9988, 20185), (12485, 16148)]