278623660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1583

約数の個数: 96

約数和(自身を含む): 706793472

約数和(自身を除く): 428169812

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, 1493, 1505, 2170, 2666, 2986, 3010, 4340, 5332, 5972, 6020, 6665, 7465, 9331, 10451, 13330, 14930, 18662, 20902, 26660, 29860, 37324, 41804, 46283, 46655, 52255, 64199, 92566, 93310, 104510, 128398, 185132, 186620, 209020, 231415, 256796, 320995, 323981, 449393, 462830, 641990, 647962, 898786, 925660, 1283980, 1295924, 1619905, 1797572, 1990169, 2246965, 3239810, 3980338, 4493930, 6479620, 7960676, 8987860, 9950845, 13931183, 19901690, 27862366, 39803380, 55724732, 69655915, 139311830, 278623660]

約数ペア:

[(1, 278623660), (2, 139311830), (4, 69655915), (5, 55724732), (7, 39803380), (10, 27862366), (14, 19901690), (20, 13931183), (28, 9950845), (31, 8987860), (35, 7960676), (43, 6479620), (62, 4493930), (70, 3980338), (86, 3239810), (124, 2246965), (140, 1990169), (155, 1797572), (172, 1619905), (215, 1295924), (217, 1283980), (301, 925660), (310, 898786), (430, 647962), (434, 641990), (602, 462830), (620, 449393), (860, 323981), (868, 320995), (1085, 256796), (1204, 231415), (1333, 209020), (1493, 186620), (1505, 185132), (2170, 128398), (2666, 104510), (2986, 93310), (3010, 92566), (4340, 64199), (5332, 52255), (5972, 46655), (6020, 46283), (6665, 41804), (7465, 37324), (9331, 29860), (10451, 26660), (13330, 20902), (14930, 18662)]