280107940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:557

約数の個数: 96

約数和(自身を含む): 699439104

約数和(自身を除く): 419331164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 233, 277, 310, 434, 466, 554, 620, 868, 932, 1085, 1108, 1165, 1385, 1631, 1939, 2170, 2330, 2770, 3262, 3878, 4340, 4660, 5540, 6524, 7223, 7756, 8155, 8587, 9695, 14446, 16310, 17174, 19390, 28892, 32620, 34348, 36115, 38780, 42935, 50561, 60109, 64541, 72230, 85870, 101122, 120218, 129082, 144460, 171740, 202244, 240436, 252805, 258164, 300545, 322705, 451787, 505610, 601090, 645410, 903574, 1011220, 1202180, 1290820, 1807148, 2000771, 2258935, 4001542, 4517870, 8003084, 9035740, 10003855, 14005397, 20007710, 28010794, 40015420, 56021588, 70026985, 140053970, 280107940]

約数ペア:

[(1, 280107940), (2, 140053970), (4, 70026985), (5, 56021588), (7, 40015420), (10, 28010794), (14, 20007710), (20, 14005397), (28, 10003855), (31, 9035740), (35, 8003084), (62, 4517870), (70, 4001542), (124, 2258935), (140, 2000771), (155, 1807148), (217, 1290820), (233, 1202180), (277, 1011220), (310, 903574), (434, 645410), (466, 601090), (554, 505610), (620, 451787), (868, 322705), (932, 300545), (1085, 258164), (1108, 252805), (1165, 240436), (1385, 202244), (1631, 171740), (1939, 144460), (2170, 129082), (2330, 120218), (2770, 101122), (3262, 85870), (3878, 72230), (4340, 64541), (4660, 60109), (5540, 50561), (6524, 42935), (7223, 38780), (7756, 36115), (8155, 34348), (8587, 32620), (9695, 28892), (14446, 19390), (16310, 17174)]