28211820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5167}}^1$

素因数の和:5199

約数の個数: 96

約数和(自身を含む): 97241088

約数和(自身を除く): 69029268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5167, 5460, 10334, 15501, 20668, 25835, 31002, 36169, 51670, 62004, 67171, 72338, 77505, 103340, 108507, 134342, 144676, 155010, 180845, 201513, 217014, 268684, 310020, 335855, 361690, 403026, 434028, 470197, 542535, 671710, 723380, 806052, 940394, 1007565, 1085070, 1343420, 1410591, 1880788, 2015130, 2170140, 2350985, 2821182, 4030260, 4701970, 5642364, 7052955, 9403940, 14105910, 28211820]

約数ペア:

[(1, 28211820), (2, 14105910), (3, 9403940), (4, 7052955), (5, 5642364), (6, 4701970), (7, 4030260), (10, 2821182), (12, 2350985), (13, 2170140), (14, 2015130), (15, 1880788), (20, 1410591), (21, 1343420), (26, 1085070), (28, 1007565), (30, 940394), (35, 806052), (39, 723380), (42, 671710), (52, 542535), (60, 470197), (65, 434028), (70, 403026), (78, 361690), (84, 335855), (91, 310020), (105, 268684), (130, 217014), (140, 201513), (156, 180845), (182, 155010), (195, 144676), (210, 134342), (260, 108507), (273, 103340), (364, 77505), (390, 72338), (420, 67171), (455, 62004), (546, 51670), (780, 36169), (910, 31002), (1092, 25835), (1365, 20668), (1820, 15501), (2730, 10334), (5167, 5460)]