28939400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2953}}^1$

素因数の和:2983

約数の個数: 72

約数和(自身を含む): 78295770

約数和(自身を除く): 49356370

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 2953, 4900, 5906, 9800, 11812, 14765, 20671, 23624, 29530, 41342, 59060, 73825, 82684, 103355, 118120, 144697, 147650, 165368, 206710, 289394, 295300, 413420, 516775, 578788, 590600, 723485, 826840, 1033550, 1157576, 1446970, 2067100, 2893940, 3617425, 4134200, 5787880, 7234850, 14469700, 28939400]

約数ペア:

[(1, 28939400), (2, 14469700), (4, 7234850), (5, 5787880), (7, 4134200), (8, 3617425), (10, 2893940), (14, 2067100), (20, 1446970), (25, 1157576), (28, 1033550), (35, 826840), (40, 723485), (49, 590600), (50, 578788), (56, 516775), (70, 413420), (98, 295300), (100, 289394), (140, 206710), (175, 165368), (196, 147650), (200, 144697), (245, 118120), (280, 103355), (350, 82684), (392, 73825), (490, 59060), (700, 41342), (980, 29530), (1225, 23624), (1400, 20671), (1960, 14765), (2450, 11812), (2953, 9800), (4900, 5906)]