143035240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^2$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 338086710

約数和(自身を除く): 195051470

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 961, 1220, 1240, 1891, 1922, 2440, 3721, 3782, 3844, 4805, 7442, 7564, 7688, 9455, 9610, 14884, 15128, 18605, 18910, 19220, 29768, 37210, 37820, 38440, 58621, 74420, 75640, 115351, 117242, 148840, 230702, 234484, 293105, 461404, 468968, 576755, 586210, 922808, 1153510, 1172420, 2307020, 2344840, 3575881, 4614040, 7151762, 14303524, 17879405, 28607048, 35758810, 71517620, 143035240]

約数ペア:

[(1, 143035240), (2, 71517620), (4, 35758810), (5, 28607048), (8, 17879405), (10, 14303524), (20, 7151762), (31, 4614040), (40, 3575881), (61, 2344840), (62, 2307020), (122, 1172420), (124, 1153510), (155, 922808), (244, 586210), (248, 576755), (305, 468968), (310, 461404), (488, 293105), (610, 234484), (620, 230702), (961, 148840), (1220, 117242), (1240, 115351), (1891, 75640), (1922, 74420), (2440, 58621), (3721, 38440), (3782, 37820), (3844, 37210), (4805, 29768), (7442, 19220), (7564, 18910), (7688, 18605), (9455, 15128), (9610, 14884)]