320420030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 685670400

約数和(自身を除く): 365250370

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 149, 155, 217, 298, 310, 434, 745, 991, 1043, 1085, 1490, 1982, 2086, 2170, 4619, 4955, 5215, 6937, 9238, 9910, 10430, 13874, 23095, 30721, 32333, 34685, 46190, 61442, 64666, 69370, 147659, 153605, 161665, 215047, 295318, 307210, 323330, 430094, 738295, 1033613, 1075235, 1476590, 2067226, 2150470, 4577429, 5168065, 9154858, 10336130, 22887145, 32042003, 45774290, 64084006, 160210015, 320420030]

約数ペア:

[(1, 320420030), (2, 160210015), (5, 64084006), (7, 45774290), (10, 32042003), (14, 22887145), (31, 10336130), (35, 9154858), (62, 5168065), (70, 4577429), (149, 2150470), (155, 2067226), (217, 1476590), (298, 1075235), (310, 1033613), (434, 738295), (745, 430094), (991, 323330), (1043, 307210), (1085, 295318), (1490, 215047), (1982, 161665), (2086, 153605), (2170, 147659), (4619, 69370), (4955, 64666), (5215, 61442), (6937, 46190), (9238, 34685), (9910, 32333), (10430, 30721), (13874, 23095)]