388356220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2171

約数の個数: 96

約数和(自身を含む): 984969216

約数和(自身を除く): 596612996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 124, 140, 155, 172, 215, 217, 301, 310, 430, 434, 602, 620, 860, 868, 1085, 1204, 1333, 1505, 2081, 2170, 2666, 3010, 4162, 4340, 5332, 6020, 6665, 8324, 9331, 10405, 13330, 14567, 18662, 20810, 26660, 29134, 37324, 41620, 46655, 58268, 64511, 72835, 89483, 93310, 129022, 145670, 178966, 186620, 258044, 291340, 322555, 357932, 447415, 451577, 626381, 645110, 894830, 903154, 1252762, 1290220, 1789660, 1806308, 2257885, 2505524, 2773973, 3131905, 4515770, 5547946, 6263810, 9031540, 11095892, 12527620, 13869865, 19417811, 27739730, 38835622, 55479460, 77671244, 97089055, 194178110, 388356220]

約数ペア:

[(1, 388356220), (2, 194178110), (4, 97089055), (5, 77671244), (7, 55479460), (10, 38835622), (14, 27739730), (20, 19417811), (28, 13869865), (31, 12527620), (35, 11095892), (43, 9031540), (62, 6263810), (70, 5547946), (86, 4515770), (124, 3131905), (140, 2773973), (155, 2505524), (172, 2257885), (215, 1806308), (217, 1789660), (301, 1290220), (310, 1252762), (430, 903154), (434, 894830), (602, 645110), (620, 626381), (860, 451577), (868, 447415), (1085, 357932), (1204, 322555), (1333, 291340), (1505, 258044), (2081, 186620), (2170, 178966), (2666, 145670), (3010, 129022), (4162, 93310), (4340, 89483), (5332, 72835), (6020, 64511), (6665, 58268), (8324, 46655), (9331, 41620), (10405, 37324), (13330, 29134), (14567, 26660), (18662, 20810)]