1231630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 2384640

約数和(自身を除く): 1153010

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 137, 145, 155, 274, 290, 310, 685, 899, 1370, 1798, 3973, 4247, 4495, 7946, 8494, 8990, 19865, 21235, 39730, 42470, 123163, 246326, 615815, 1231630]

約数ペア:

[(1, 1231630), (2, 615815), (5, 246326), (10, 123163), (29, 42470), (31, 39730), (58, 21235), (62, 19865), (137, 8990), (145, 8494), (155, 7946), (274, 4495), (290, 4247), (310, 3973), (685, 1798), (899, 1370)]