30207980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 75442752

約数和(自身を除く): 45234772

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 170, 187, 197, 205, 220, 340, 374, 394, 410, 451, 697, 748, 788, 820, 902, 935, 985, 1394, 1804, 1870, 1970, 2167, 2255, 2788, 3349, 3485, 3740, 3940, 4334, 4510, 6698, 6970, 7667, 8077, 8668, 9020, 10835, 13396, 13940, 15334, 16154, 16745, 21670, 30668, 32308, 33490, 36839, 38335, 40385, 43340, 66980, 73678, 76670, 80770, 88847, 137309, 147356, 153340, 161540, 177694, 184195, 274618, 355388, 368390, 444235, 549236, 686545, 736780, 888470, 1373090, 1510399, 1776940, 2746180, 3020798, 6041596, 7551995, 15103990, 30207980]

約数ペア:

[(1, 30207980), (2, 15103990), (4, 7551995), (5, 6041596), (10, 3020798), (11, 2746180), (17, 1776940), (20, 1510399), (22, 1373090), (34, 888470), (41, 736780), (44, 686545), (55, 549236), (68, 444235), (82, 368390), (85, 355388), (110, 274618), (164, 184195), (170, 177694), (187, 161540), (197, 153340), (205, 147356), (220, 137309), (340, 88847), (374, 80770), (394, 76670), (410, 73678), (451, 66980), (697, 43340), (748, 40385), (788, 38335), (820, 36839), (902, 33490), (935, 32308), (985, 30668), (1394, 21670), (1804, 16745), (1870, 16154), (1970, 15334), (2167, 13940), (2255, 13396), (2788, 10835), (3349, 9020), (3485, 8668), (3740, 8077), (3940, 7667), (4334, 6970), (4510, 6698)]