398465179640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47663299}}^1$

素因数の和:47663340

約数の個数: 64

約数和(自身を含む): 1029527280000

約数和(自身を除く): 631062100360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 47663299, 95326598, 190653196, 238316495, 381306392, 476632990, 524296289, 905602681, 953265980, 1048592578, 1811205362, 1906531960, 2097185156, 2621481445, 3622410724, 4194370312, 4528013405, 5242962890, 7244821448, 9056026810, 9961629491, 10485925780, 18112053620, 19923258982, 20971851560, 36224107240, 39846517964, 49808147455, 79693035928, 99616294910, 199232589820, 398465179640]

約数ペア:

[(1, 398465179640), (2, 199232589820), (4, 99616294910), (5, 79693035928), (8, 49808147455), (10, 39846517964), (11, 36224107240), (19, 20971851560), (20, 19923258982), (22, 18112053620), (38, 10485925780), (40, 9961629491), (44, 9056026810), (55, 7244821448), (76, 5242962890), (88, 4528013405), (95, 4194370312), (110, 3622410724), (152, 2621481445), (190, 2097185156), (209, 1906531960), (220, 1811205362), (380, 1048592578), (418, 953265980), (440, 905602681), (760, 524296289), (836, 476632990), (1045, 381306392), (1672, 238316495), (2090, 190653196), (4180, 95326598), (8360, 47663299)]