2869021820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{137537}}^1$

素因数の和:137702

約数の個数: 48

約数和(自身を含む): 6931915200

約数和(自身を除く): 4062893380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 137537, 275074, 550148, 687685, 962759, 1375370, 1925518, 2750740, 3851036, 4813795, 9627590, 19255180, 20493013, 40986026, 81972052, 102465065, 143451091, 204930130, 286902182, 409860260, 573804364, 717255455, 1434510910, 2869021820]

約数ペア:

[(1, 2869021820), (2, 1434510910), (4, 717255455), (5, 573804364), (7, 409860260), (10, 286902182), (14, 204930130), (20, 143451091), (28, 102465065), (35, 81972052), (70, 40986026), (140, 20493013), (149, 19255180), (298, 9627590), (596, 4813795), (745, 3851036), (1043, 2750740), (1490, 1925518), (2086, 1375370), (2980, 962759), (4172, 687685), (5215, 550148), (10430, 275074), (20860, 137537)]