408840903940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{1907441}}^1$

素因数の和:1908988

約数の個数: 48

約数和(自身を含む): 981859584384

約数和(自身を除く): 573018680444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1531, 3062, 6124, 7655, 10717, 15310, 21434, 30620, 42868, 53585, 107170, 214340, 1907441, 3814882, 7629764, 9537205, 13352087, 19074410, 26704174, 38148820, 53408348, 66760435, 133520870, 267041740, 2920292171, 5840584342, 11681168684, 14601460855, 20442045197, 29202921710, 40884090394, 58405843420, 81768180788, 102210225985, 204420451970, 408840903940]

約数ペア:

[(1, 408840903940), (2, 204420451970), (4, 102210225985), (5, 81768180788), (7, 58405843420), (10, 40884090394), (14, 29202921710), (20, 20442045197), (28, 14601460855), (35, 11681168684), (70, 5840584342), (140, 2920292171), (1531, 267041740), (3062, 133520870), (6124, 66760435), (7655, 53408348), (10717, 38148820), (15310, 26704174), (21434, 19074410), (30620, 13352087), (42868, 9537205), (53585, 7629764), (107170, 3814882), (214340, 1907441)]