145643890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1723

約数の個数: 64

約数和(自身を含む): 317011968

約数和(自身を除く): 171368078

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 41, 62, 70, 82, 155, 205, 217, 287, 310, 410, 434, 574, 1085, 1271, 1435, 1637, 2170, 2542, 2870, 3274, 6355, 8185, 8897, 11459, 12710, 16370, 17794, 22918, 44485, 50747, 57295, 67117, 88970, 101494, 114590, 134234, 253735, 335585, 355229, 469819, 507470, 671170, 710458, 939638, 1776145, 2080627, 2349095, 3552290, 4161254, 4698190, 10403135, 14564389, 20806270, 29128778, 72821945, 145643890]

約数ペア:

[(1, 145643890), (2, 72821945), (5, 29128778), (7, 20806270), (10, 14564389), (14, 10403135), (31, 4698190), (35, 4161254), (41, 3552290), (62, 2349095), (70, 2080627), (82, 1776145), (155, 939638), (205, 710458), (217, 671170), (287, 507470), (310, 469819), (410, 355229), (434, 335585), (574, 253735), (1085, 134234), (1271, 114590), (1435, 101494), (1637, 88970), (2170, 67117), (2542, 57295), (2870, 50747), (3274, 44485), (6355, 22918), (8185, 17794), (8897, 16370), (11459, 12710)]