287797180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2291

約数の個数: 96

約数和(自身を含む): 716728320

約数和(自身を除く): 428931140

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 620, 682, 836, 1045, 1178, 1364, 1705, 2090, 2221, 2356, 2945, 3410, 4180, 4442, 5890, 6479, 6820, 8884, 11105, 11780, 12958, 22210, 24431, 25916, 32395, 42199, 44420, 48862, 64790, 68851, 84398, 97724, 122155, 129580, 137702, 168796, 210995, 244310, 275404, 344255, 421990, 464189, 488620, 688510, 757361, 843980, 928378, 1308169, 1377020, 1514722, 1856756, 2320945, 2616338, 3029444, 3786805, 4641890, 5232676, 6540845, 7573610, 9283780, 13081690, 14389859, 15147220, 26163380, 28779718, 57559436, 71949295, 143898590, 287797180]

約数ペア:

[(1, 287797180), (2, 143898590), (4, 71949295), (5, 57559436), (10, 28779718), (11, 26163380), (19, 15147220), (20, 14389859), (22, 13081690), (31, 9283780), (38, 7573610), (44, 6540845), (55, 5232676), (62, 4641890), (76, 3786805), (95, 3029444), (110, 2616338), (124, 2320945), (155, 1856756), (190, 1514722), (209, 1377020), (220, 1308169), (310, 928378), (341, 843980), (380, 757361), (418, 688510), (589, 488620), (620, 464189), (682, 421990), (836, 344255), (1045, 275404), (1178, 244310), (1364, 210995), (1705, 168796), (2090, 137702), (2221, 129580), (2356, 122155), (2945, 97724), (3410, 84398), (4180, 68851), (4442, 64790), (5890, 48862), (6479, 44420), (6820, 42199), (8884, 32395), (11105, 25916), (11780, 24431), (12958, 22210)]