388627820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23327}}^1$

素因数の和:23367

約数の個数: 72

約数和(自身を含む): 1005250176

約数和(自身を除く): 616622356

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 23327, 46654, 93308, 116635, 163289, 233270, 326578, 396559, 466540, 653156, 793118, 816445, 1143023, 1586236, 1632890, 1982795, 2286046, 2775913, 3265780, 3965590, 4572092, 5551826, 5715115, 7931180, 11103652, 11430230, 13879565, 19431391, 22860460, 27759130, 38862782, 55518260, 77725564, 97156955, 194313910, 388627820]

約数ペア:

[(1, 388627820), (2, 194313910), (4, 97156955), (5, 77725564), (7, 55518260), (10, 38862782), (14, 27759130), (17, 22860460), (20, 19431391), (28, 13879565), (34, 11430230), (35, 11103652), (49, 7931180), (68, 5715115), (70, 5551826), (85, 4572092), (98, 3965590), (119, 3265780), (140, 2775913), (170, 2286046), (196, 1982795), (238, 1632890), (245, 1586236), (340, 1143023), (476, 816445), (490, 793118), (595, 653156), (833, 466540), (980, 396559), (1190, 326578), (1666, 233270), (2380, 163289), (3332, 116635), (4165, 93308), (8330, 46654), (16660, 23327)]