1395190940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487829}}^1$

素因数の和:487862

約数の個数: 48

約数和(自身を含む): 3442128480

約数和(自身を除く): 2046937540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 487829, 975658, 1951316, 2439145, 4878290, 5366119, 6341777, 9756580, 10732238, 12683554, 21464476, 25367108, 26830595, 31708885, 53661190, 63417770, 69759547, 107322380, 126835540, 139519094, 279038188, 348797735, 697595470, 1395190940]

約数ペア:

[(1, 1395190940), (2, 697595470), (4, 348797735), (5, 279038188), (10, 139519094), (11, 126835540), (13, 107322380), (20, 69759547), (22, 63417770), (26, 53661190), (44, 31708885), (52, 26830595), (55, 25367108), (65, 21464476), (110, 12683554), (130, 10732238), (143, 9756580), (220, 6341777), (260, 5366119), (286, 4878290), (572, 2439145), (715, 1951316), (1430, 975658), (2860, 487829)]