71642930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 145006848

約数和(自身を除く): 73363918

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 73, 85, 115, 146, 170, 230, 251, 365, 391, 502, 730, 782, 1241, 1255, 1679, 1955, 2482, 2510, 3358, 3910, 4267, 5773, 6205, 8395, 8534, 11546, 12410, 16790, 18323, 21335, 28543, 28865, 36646, 42670, 57086, 57730, 91615, 98141, 142715, 183230, 196282, 285430, 311491, 421429, 490705, 622982, 842858, 981410, 1557455, 2107145, 3114910, 4214290, 7164293, 14328586, 35821465, 71642930]

約数ペア:

[(1, 71642930), (2, 35821465), (5, 14328586), (10, 7164293), (17, 4214290), (23, 3114910), (34, 2107145), (46, 1557455), (73, 981410), (85, 842858), (115, 622982), (146, 490705), (170, 421429), (230, 311491), (251, 285430), (365, 196282), (391, 183230), (502, 142715), (730, 98141), (782, 91615), (1241, 57730), (1255, 57086), (1679, 42670), (1955, 36646), (2482, 28865), (2510, 28543), (3358, 21335), (3910, 18323), (4267, 16790), (5773, 12410), (6205, 11546), (8395, 8534)]