2716840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 7234560

約数和(自身を除く): 4517720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 313, 434, 620, 626, 868, 1085, 1240, 1252, 1565, 1736, 2170, 2191, 2504, 3130, 4340, 4382, 6260, 8680, 8764, 9703, 10955, 12520, 17528, 19406, 21910, 38812, 43820, 48515, 67921, 77624, 87640, 97030, 135842, 194060, 271684, 339605, 388120, 543368, 679210, 1358420, 2716840]

約数ペア:

[(1, 2716840), (2, 1358420), (4, 679210), (5, 543368), (7, 388120), (8, 339605), (10, 271684), (14, 194060), (20, 135842), (28, 97030), (31, 87640), (35, 77624), (40, 67921), (56, 48515), (62, 43820), (70, 38812), (124, 21910), (140, 19406), (155, 17528), (217, 12520), (248, 10955), (280, 9703), (310, 8764), (313, 8680), (434, 6260), (620, 4382), (626, 4340), (868, 3130), (1085, 2504), (1240, 2191), (1252, 2170), (1565, 1736)]