240198980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1871}}^1$

素因数の和:2025

約数の個数: 72

約数和(自身を含む): 591566976

約数和(自身を除く): 351367996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 1310, 1834, 1871, 2620, 3668, 3742, 4585, 6419, 7484, 9170, 9355, 12838, 13097, 18340, 18710, 25676, 26194, 32095, 37420, 52388, 64190, 65485, 91679, 128380, 130970, 183358, 245101, 261940, 366716, 458395, 490202, 916790, 980404, 1225505, 1715707, 1833580, 2451010, 3431414, 4902020, 6862828, 8578535, 12009949, 17157070, 24019898, 34314140, 48039796, 60049745, 120099490, 240198980]

約数ペア:

[(1, 240198980), (2, 120099490), (4, 60049745), (5, 48039796), (7, 34314140), (10, 24019898), (14, 17157070), (20, 12009949), (28, 8578535), (35, 6862828), (49, 4902020), (70, 3431414), (98, 2451010), (131, 1833580), (140, 1715707), (196, 1225505), (245, 980404), (262, 916790), (490, 490202), (524, 458395), (655, 366716), (917, 261940), (980, 245101), (1310, 183358), (1834, 130970), (1871, 128380), (2620, 91679), (3668, 65485), (3742, 64190), (4585, 52388), (6419, 37420), (7484, 32095), (9170, 26194), (9355, 25676), (12838, 18710), (13097, 18340)]