1778778830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{55639}}^1$

素因数の和:55808

約数の個数: 32

約数和(自身を含む): 3365107200

約数和(自身を除く): 1586328370

約数列:

[1, 2, 5, 10, 23, 46, 115, 139, 230, 278, 695, 1390, 3197, 6394, 15985, 31970, 55639, 111278, 278195, 556390, 1279697, 2559394, 6398485, 7733821, 12796970, 15467642, 38669105, 77338210, 177877883, 355755766, 889389415, 1778778830]

約数ペア:

[(1, 1778778830), (2, 889389415), (5, 355755766), (10, 177877883), (23, 77338210), (46, 38669105), (115, 15467642), (139, 12796970), (230, 7733821), (278, 6398485), (695, 2559394), (1390, 1279697), (3197, 556390), (6394, 278195), (15985, 111278), (31970, 55639)]