312800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:60

約数の個数: 72

約数和(自身を含む): 843696

約数和(自身を除く): 530896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 32, 34, 40, 46, 50, 68, 80, 85, 92, 100, 115, 136, 160, 170, 184, 200, 230, 272, 340, 368, 391, 400, 425, 460, 544, 575, 680, 736, 782, 800, 850, 920, 1150, 1360, 1564, 1700, 1840, 1955, 2300, 2720, 3128, 3400, 3680, 3910, 4600, 6256, 6800, 7820, 9200, 9775, 12512, 13600, 15640, 18400, 19550, 31280, 39100, 62560, 78200, 156400, 312800]

約数ペア:

[(1, 312800), (2, 156400), (4, 78200), (5, 62560), (8, 39100), (10, 31280), (16, 19550), (17, 18400), (20, 15640), (23, 13600), (25, 12512), (32, 9775), (34, 9200), (40, 7820), (46, 6800), (50, 6256), (68, 4600), (80, 3910), (85, 3680), (92, 3400), (100, 3128), (115, 2720), (136, 2300), (160, 1955), (170, 1840), (184, 1700), (200, 1564), (230, 1360), (272, 1150), (340, 920), (368, 850), (391, 800), (400, 782), (425, 736), (460, 680), (544, 575)]