290139416

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 648775680

約数和(自身を除く): 358636264

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 97, 124, 194, 217, 248, 388, 434, 679, 776, 868, 1358, 1723, 1736, 2716, 3007, 3446, 5432, 6014, 6892, 12028, 12061, 13784, 21049, 24056, 24122, 42098, 48244, 53413, 84196, 96488, 106826, 167131, 168392, 213652, 334262, 373891, 427304, 668524, 747782, 1169917, 1337048, 1495564, 2339834, 2991128, 4679668, 5181061, 9359336, 10362122, 20724244, 36267427, 41448488, 72534854, 145069708, 290139416]

約数ペア:

[(1, 290139416), (2, 145069708), (4, 72534854), (7, 41448488), (8, 36267427), (14, 20724244), (28, 10362122), (31, 9359336), (56, 5181061), (62, 4679668), (97, 2991128), (124, 2339834), (194, 1495564), (217, 1337048), (248, 1169917), (388, 747782), (434, 668524), (679, 427304), (776, 373891), (868, 334262), (1358, 213652), (1723, 168392), (1736, 167131), (2716, 106826), (3007, 96488), (3446, 84196), (5432, 53413), (6014, 48244), (6892, 42098), (12028, 24122), (12061, 24056), (13784, 21049)]