868720400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2971}}^1$

素因数の和:3049

約数の個数: 120

約数和(自身を含む): 2262024864

約数和(自身を除く): 1393304464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 43, 50, 68, 80, 85, 86, 100, 136, 170, 172, 200, 215, 272, 340, 344, 400, 425, 430, 680, 688, 731, 850, 860, 1075, 1360, 1462, 1700, 1720, 2150, 2924, 2971, 3400, 3440, 3655, 4300, 5848, 5942, 6800, 7310, 8600, 11696, 11884, 14620, 14855, 17200, 18275, 23768, 29240, 29710, 36550, 47536, 50507, 58480, 59420, 73100, 74275, 101014, 118840, 127753, 146200, 148550, 202028, 237680, 252535, 255506, 292400, 297100, 404056, 505070, 511012, 594200, 638765, 808112, 1010140, 1022024, 1188400, 1262675, 1277530, 2020280, 2044048, 2171801, 2525350, 2555060, 3193825, 4040560, 4343602, 5050700, 5110120, 6387650, 8687204, 10101400, 10220240, 10859005, 12775300, 17374408, 20202800, 21718010, 25550600, 34748816, 43436020, 51101200, 54295025, 86872040, 108590050, 173744080, 217180100, 434360200, 868720400]

約数ペア:

[(1, 868720400), (2, 434360200), (4, 217180100), (5, 173744080), (8, 108590050), (10, 86872040), (16, 54295025), (17, 51101200), (20, 43436020), (25, 34748816), (34, 25550600), (40, 21718010), (43, 20202800), (50, 17374408), (68, 12775300), (80, 10859005), (85, 10220240), (86, 10101400), (100, 8687204), (136, 6387650), (170, 5110120), (172, 5050700), (200, 4343602), (215, 4040560), (272, 3193825), (340, 2555060), (344, 2525350), (400, 2171801), (425, 2044048), (430, 2020280), (680, 1277530), (688, 1262675), (731, 1188400), (850, 1022024), (860, 1010140), (1075, 808112), (1360, 638765), (1462, 594200), (1700, 511012), (1720, 505070), (2150, 404056), (2924, 297100), (2971, 292400), (3400, 255506), (3440, 252535), (3655, 237680), (4300, 202028), (5848, 148550), (5942, 146200), (6800, 127753), (7310, 118840), (8600, 101014), (11696, 74275), (11884, 73100), (14620, 59420), (14855, 58480), (17200, 50507), (18275, 47536), (23768, 36550), (29240, 29710)]