28990260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:994

約数の個数: 108

約数和(自身を含む): 95321772

約数和(自身を除く): 66331512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 953, 1014, 1170, 1521, 1690, 1906, 2028, 2340, 2535, 2859, 3042, 3380, 3812, 4765, 5070, 5718, 6084, 7605, 8577, 9530, 10140, 11436, 12389, 14295, 15210, 17154, 19060, 24778, 28590, 30420, 34308, 37167, 42885, 49556, 57180, 61945, 74334, 85770, 111501, 123890, 148668, 161057, 171540, 185835, 223002, 247780, 322114, 371670, 446004, 483171, 557505, 644228, 743340, 805285, 966342, 1115010, 1449513, 1610570, 1932684, 2230020, 2415855, 2899026, 3221140, 4831710, 5798052, 7247565, 9663420, 14495130, 28990260]

約数ペア:

[(1, 28990260), (2, 14495130), (3, 9663420), (4, 7247565), (5, 5798052), (6, 4831710), (9, 3221140), (10, 2899026), (12, 2415855), (13, 2230020), (15, 1932684), (18, 1610570), (20, 1449513), (26, 1115010), (30, 966342), (36, 805285), (39, 743340), (45, 644228), (52, 557505), (60, 483171), (65, 446004), (78, 371670), (90, 322114), (117, 247780), (130, 223002), (156, 185835), (169, 171540), (180, 161057), (195, 148668), (234, 123890), (260, 111501), (338, 85770), (390, 74334), (468, 61945), (507, 57180), (585, 49556), (676, 42885), (780, 37167), (845, 34308), (953, 30420), (1014, 28590), (1170, 24778), (1521, 19060), (1690, 17154), (1906, 15210), (2028, 14295), (2340, 12389), (2535, 11436), (2859, 10140), (3042, 9530), (3380, 8577), (3812, 7605), (4765, 6084), (5070, 5718)]