129519740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1059

約数の個数: 72

約数和(自身を含む): 318880800

約数和(自身を除く): 189361060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 596, 745, 887, 980, 1043, 1490, 1774, 2086, 2980, 3548, 4172, 4435, 5215, 6209, 7301, 8870, 10430, 12418, 14602, 17740, 20860, 24836, 29204, 31045, 36505, 43463, 62090, 73010, 86926, 124180, 132163, 146020, 173852, 217315, 264326, 434630, 528652, 660815, 869260, 925141, 1321630, 1850282, 2643260, 3700564, 4625705, 6475987, 9251410, 12951974, 18502820, 25903948, 32379935, 64759870, 129519740]

約数ペア:

[(1, 129519740), (2, 64759870), (4, 32379935), (5, 25903948), (7, 18502820), (10, 12951974), (14, 9251410), (20, 6475987), (28, 4625705), (35, 3700564), (49, 2643260), (70, 1850282), (98, 1321630), (140, 925141), (149, 869260), (196, 660815), (245, 528652), (298, 434630), (490, 264326), (596, 217315), (745, 173852), (887, 146020), (980, 132163), (1043, 124180), (1490, 86926), (1774, 73010), (2086, 62090), (2980, 43463), (3548, 36505), (4172, 31045), (4435, 29204), (5215, 24836), (6209, 20860), (7301, 17740), (8870, 14602), (10430, 12418)]