154490980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{35597}}^1$

素因数の和:35644

約数の個数: 48

約数和(自身を含む): 382749696

約数和(自身を除く): 228258716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 35597, 71194, 142388, 177985, 249179, 355970, 498358, 711940, 996716, 1103507, 1245895, 2207014, 2491790, 4414028, 4983580, 5517535, 7724549, 11035070, 15449098, 22070140, 30898196, 38622745, 77245490, 154490980]

約数ペア:

[(1, 154490980), (2, 77245490), (4, 38622745), (5, 30898196), (7, 22070140), (10, 15449098), (14, 11035070), (20, 7724549), (28, 5517535), (31, 4983580), (35, 4414028), (62, 2491790), (70, 2207014), (124, 1245895), (140, 1103507), (155, 996716), (217, 711940), (310, 498358), (434, 355970), (620, 249179), (868, 177985), (1085, 142388), (2170, 71194), (4340, 35597)]