556550440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3229}}^1$

素因数の和:3410

約数の個数: 64

約数和(自身を含む): 1302336000

約数和(自身を除く): 745785560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 139, 155, 248, 278, 310, 556, 620, 695, 1112, 1240, 1390, 2780, 3229, 4309, 5560, 6458, 8618, 12916, 16145, 17236, 21545, 25832, 32290, 34472, 43090, 64580, 86180, 100099, 129160, 172360, 200198, 400396, 448831, 500495, 800792, 897662, 1000990, 1795324, 2001980, 2244155, 3590648, 4003960, 4488310, 8976620, 13913761, 17953240, 27827522, 55655044, 69568805, 111310088, 139137610, 278275220, 556550440]

約数ペア:

[(1, 556550440), (2, 278275220), (4, 139137610), (5, 111310088), (8, 69568805), (10, 55655044), (20, 27827522), (31, 17953240), (40, 13913761), (62, 8976620), (124, 4488310), (139, 4003960), (155, 3590648), (248, 2244155), (278, 2001980), (310, 1795324), (556, 1000990), (620, 897662), (695, 800792), (1112, 500495), (1240, 448831), (1390, 400396), (2780, 200198), (3229, 172360), (4309, 129160), (5560, 100099), (6458, 86180), (8618, 64580), (12916, 43090), (16145, 34472), (17236, 32290), (21545, 25832)]