3942890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 8847360

約数和(自身を除く): 4904470

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 79, 115, 155, 158, 161, 217, 230, 310, 322, 395, 434, 553, 713, 790, 805, 1085, 1106, 1426, 1610, 1817, 2170, 2449, 2765, 3565, 3634, 4898, 4991, 5530, 7130, 9085, 9982, 12245, 12719, 17143, 18170, 24490, 24955, 25438, 34286, 49910, 56327, 63595, 85715, 112654, 127190, 171430, 281635, 394289, 563270, 788578, 1971445, 3942890]

約数ペア:

[(1, 3942890), (2, 1971445), (5, 788578), (7, 563270), (10, 394289), (14, 281635), (23, 171430), (31, 127190), (35, 112654), (46, 85715), (62, 63595), (70, 56327), (79, 49910), (115, 34286), (155, 25438), (158, 24955), (161, 24490), (217, 18170), (230, 17143), (310, 12719), (322, 12245), (395, 9982), (434, 9085), (553, 7130), (713, 5530), (790, 4991), (805, 4898), (1085, 3634), (1106, 3565), (1426, 2765), (1610, 2449), (1817, 2170)]