90510175

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 135705600

約数和(自身を除く): 45195425

約数列:

[1, 5, 7, 23, 25, 35, 113, 115, 161, 175, 199, 565, 575, 791, 805, 995, 1393, 2599, 2825, 3955, 4025, 4577, 4975, 6965, 12995, 18193, 19775, 22487, 22885, 32039, 34825, 64975, 90965, 112435, 114425, 157409, 160195, 454825, 517201, 562175, 787045, 800975, 2586005, 3620407, 3935225, 12930025, 18102035, 90510175]

約数ペア:

[(1, 90510175), (5, 18102035), (7, 12930025), (23, 3935225), (25, 3620407), (35, 2586005), (113, 800975), (115, 787045), (161, 562175), (175, 517201), (199, 454825), (565, 160195), (575, 157409), (791, 114425), (805, 112435), (995, 90965), (1393, 64975), (2599, 34825), (2825, 32039), (3955, 22885), (4025, 22487), (4577, 19775), (4975, 18193), (6965, 12995)]