1740528020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{161459}}^1$

素因数の和:161493

約数の個数: 72

約数和(自身を含む): 4638422880

約数和(自身を除く): 2897894860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 161459, 322918, 645836, 807295, 1130213, 1614590, 1776049, 2260426, 3229180, 3552098, 4520852, 5651065, 7104196, 7911491, 8880245, 11302130, 12432343, 15822982, 17760490, 22604260, 24864686, 31645964, 35520980, 39557455, 49729372, 62161715, 79114910, 87026401, 124323430, 158229820, 174052802, 248646860, 348105604, 435132005, 870264010, 1740528020]

約数ペア:

[(1, 1740528020), (2, 870264010), (4, 435132005), (5, 348105604), (7, 248646860), (10, 174052802), (11, 158229820), (14, 124323430), (20, 87026401), (22, 79114910), (28, 62161715), (35, 49729372), (44, 39557455), (49, 35520980), (55, 31645964), (70, 24864686), (77, 22604260), (98, 17760490), (110, 15822982), (140, 12432343), (154, 11302130), (196, 8880245), (220, 7911491), (245, 7104196), (308, 5651065), (385, 4520852), (490, 3552098), (539, 3229180), (770, 2260426), (980, 1776049), (1078, 1614590), (1540, 1130213), (2156, 807295), (2695, 645836), (5390, 322918), (10780, 161459)]