402388990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1031}}^1\times {\mathrm{1259}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 748984320

約数和(自身を除く): 346595330

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1031, 1259, 2062, 2518, 5155, 6295, 10310, 12590, 31961, 39029, 63922, 78058, 159805, 195145, 319610, 390290, 1298029, 2596058, 6490145, 12980290, 40238899, 80477798, 201194495, 402388990]

約数ペア:

[(1, 402388990), (2, 201194495), (5, 80477798), (10, 40238899), (31, 12980290), (62, 6490145), (155, 2596058), (310, 1298029), (1031, 390290), (1259, 319610), (2062, 195145), (2518, 159805), (5155, 78058), (6295, 63922), (10310, 39029), (12590, 31961)]