1358420

素因数分解:

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

素因数の和:360

約数の個数: 48

約数和(自身を含む): 3376128

約数和(自身を除く): 2017708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 313, 434, 620, 626, 868, 1085, 1252, 1565, 2170, 2191, 3130, 4340, 4382, 6260, 8764, 9703, 10955, 19406, 21910, 38812, 43820, 48515, 67921, 97030, 135842, 194060, 271684, 339605, 679210, 1358420]

約数ペア:

[(1, 1358420), (2, 679210), (4, 339605), (5, 271684), (7, 194060), (10, 135842), (14, 97030), (20, 67921), (28, 48515), (31, 43820), (35, 38812), (62, 21910), (70, 19406), (124, 10955), (140, 9703), (155, 8764), (217, 6260), (310, 4382), (313, 4340), (434, 3130), (620, 2191), (626, 2170), (868, 1565), (1085, 1252)]