400921668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{3779}}^1$

素因数の和:4217

約数の個数: 72

約数和(自身を含む): 1161276480

約数和(自身を除く): 760354812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 842, 1263, 1684, 2526, 2947, 3779, 3789, 5052, 5894, 7558, 7578, 8841, 11337, 11788, 15116, 15156, 17682, 22674, 26453, 26523, 34011, 35364, 45348, 52906, 53046, 68022, 79359, 105812, 106092, 136044, 158718, 238077, 317436, 476154, 952308, 1590959, 3181918, 4772877, 6363836, 9545754, 11136713, 14318631, 19091508, 22273426, 28637262, 33410139, 44546852, 57274524, 66820278, 100230417, 133640556, 200460834, 400921668]

約数ペア:

[(1, 400921668), (2, 200460834), (3, 133640556), (4, 100230417), (6, 66820278), (7, 57274524), (9, 44546852), (12, 33410139), (14, 28637262), (18, 22273426), (21, 19091508), (28, 14318631), (36, 11136713), (42, 9545754), (63, 6363836), (84, 4772877), (126, 3181918), (252, 1590959), (421, 952308), (842, 476154), (1263, 317436), (1684, 238077), (2526, 158718), (2947, 136044), (3779, 106092), (3789, 105812), (5052, 79359), (5894, 68022), (7558, 53046), (7578, 52906), (8841, 45348), (11337, 35364), (11788, 34011), (15116, 26523), (15156, 26453), (17682, 22674)]