411480980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 907522560

約数和(自身を除く): 496041580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 271, 310, 316, 395, 542, 620, 790, 961, 1084, 1355, 1580, 1922, 2449, 2710, 3844, 4805, 4898, 5420, 8401, 9610, 9796, 12245, 16802, 19220, 21409, 24490, 33604, 42005, 42818, 48980, 75919, 84010, 85636, 107045, 151838, 168020, 214090, 260431, 303676, 379595, 428180, 520862, 663679, 759190, 1041724, 1302155, 1327358, 1518380, 2604310, 2654716, 3318395, 5208620, 6636790, 13273580, 20574049, 41148098, 82296196, 102870245, 205740490, 411480980]

約数ペア:

[(1, 411480980), (2, 205740490), (4, 102870245), (5, 82296196), (10, 41148098), (20, 20574049), (31, 13273580), (62, 6636790), (79, 5208620), (124, 3318395), (155, 2654716), (158, 2604310), (271, 1518380), (310, 1327358), (316, 1302155), (395, 1041724), (542, 759190), (620, 663679), (790, 520862), (961, 428180), (1084, 379595), (1355, 303676), (1580, 260431), (1922, 214090), (2449, 168020), (2710, 151838), (3844, 107045), (4805, 85636), (4898, 84010), (5420, 75919), (8401, 48980), (9610, 42818), (9796, 42005), (12245, 33604), (16802, 24490), (19220, 21409)]