28341780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6653}}^1$

素因数の和:6736

約数の個数: 48

約数和(自身を含む): 80486784

約数和(自身を除く): 52145004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 6653, 13306, 19959, 26612, 33265, 39918, 66530, 79836, 99795, 133060, 199590, 399180, 472363, 944726, 1417089, 1889452, 2361815, 2834178, 4723630, 5668356, 7085445, 9447260, 14170890, 28341780]

約数ペア:

[(1, 28341780), (2, 14170890), (3, 9447260), (4, 7085445), (5, 5668356), (6, 4723630), (10, 2834178), (12, 2361815), (15, 1889452), (20, 1417089), (30, 944726), (60, 472363), (71, 399180), (142, 199590), (213, 133060), (284, 99795), (355, 79836), (426, 66530), (710, 39918), (852, 33265), (1065, 26612), (1420, 19959), (2130, 13306), (4260, 6653)]