402302420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{1871}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 911409408

約数和(自身を除く): 509106988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 827, 1654, 1871, 3308, 3742, 4135, 7484, 8270, 9355, 10751, 16540, 18710, 21502, 24323, 37420, 43004, 48646, 53755, 97292, 107510, 121615, 215020, 243230, 486460, 1547317, 3094634, 6189268, 7736585, 15473170, 20115121, 30946340, 40230242, 80460484, 100575605, 201151210, 402302420]

約数ペア:

[(1, 402302420), (2, 201151210), (4, 100575605), (5, 80460484), (10, 40230242), (13, 30946340), (20, 20115121), (26, 15473170), (52, 7736585), (65, 6189268), (130, 3094634), (260, 1547317), (827, 486460), (1654, 243230), (1871, 215020), (3308, 121615), (3742, 107510), (4135, 97292), (7484, 53755), (8270, 48646), (9355, 43004), (10751, 37420), (16540, 24323), (18710, 21502)]