8978450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 18957120

約数和(自身を除く): 9978670

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 727, 950, 1235, 1454, 2470, 3635, 6175, 7270, 9451, 12350, 13813, 18175, 18902, 27626, 36350, 47255, 69065, 94510, 138130, 179569, 236275, 345325, 359138, 472550, 690650, 897845, 1795690, 4489225, 8978450]

約数ペア:

[(1, 8978450), (2, 4489225), (5, 1795690), (10, 897845), (13, 690650), (19, 472550), (25, 359138), (26, 345325), (38, 236275), (50, 179569), (65, 138130), (95, 94510), (130, 69065), (190, 47255), (247, 36350), (325, 27626), (475, 18902), (494, 18175), (650, 13813), (727, 12350), (950, 9451), (1235, 7270), (1454, 6175), (2470, 3635)]