816427780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{8179}}^1$

素因数の和:8249

約数の個数: 96

約数和(自身を含む): 2110832640

約数和(自身を除く): 1294404860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 434, 460, 620, 644, 713, 805, 868, 1085, 1426, 1610, 2170, 2852, 3220, 3565, 4340, 4991, 7130, 8179, 9982, 14260, 16358, 19964, 24955, 32716, 40895, 49910, 57253, 81790, 99820, 114506, 163580, 188117, 229012, 253549, 286265, 376234, 507098, 572530, 752468, 940585, 1014196, 1145060, 1267745, 1316819, 1774843, 1881170, 2535490, 2633638, 3549686, 3762340, 5070980, 5267276, 5831627, 6584095, 7099372, 8874215, 11663254, 13168190, 17748430, 23326508, 26336380, 29158135, 35496860, 40821389, 58316270, 81642778, 116632540, 163285556, 204106945, 408213890, 816427780]

約数ペア:

[(1, 816427780), (2, 408213890), (4, 204106945), (5, 163285556), (7, 116632540), (10, 81642778), (14, 58316270), (20, 40821389), (23, 35496860), (28, 29158135), (31, 26336380), (35, 23326508), (46, 17748430), (62, 13168190), (70, 11663254), (92, 8874215), (115, 7099372), (124, 6584095), (140, 5831627), (155, 5267276), (161, 5070980), (217, 3762340), (230, 3549686), (310, 2633638), (322, 2535490), (434, 1881170), (460, 1774843), (620, 1316819), (644, 1267745), (713, 1145060), (805, 1014196), (868, 940585), (1085, 752468), (1426, 572530), (1610, 507098), (2170, 376234), (2852, 286265), (3220, 253549), (3565, 229012), (4340, 188117), (4991, 163580), (7130, 114506), (8179, 99820), (9982, 81790), (14260, 57253), (16358, 49910), (19964, 40895), (24955, 32716)]