28426980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6673}}^1$

素因数の和:6756

約数の個数: 48

約数和(自身を含む): 80728704

約数和(自身を除く): 52301724

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, 6673, 13346, 20019, 26692, 33365, 40038, 66730, 80076, 100095, 133460, 200190, 400380, 473783, 947566, 1421349, 1895132, 2368915, 2842698, 4737830, 5685396, 7106745, 9475660, 14213490, 28426980]

約数ペア:

[(1, 28426980), (2, 14213490), (3, 9475660), (4, 7106745), (5, 5685396), (6, 4737830), (10, 2842698), (12, 2368915), (15, 1895132), (20, 1421349), (30, 947566), (60, 473783), (71, 400380), (142, 200190), (213, 133460), (284, 100095), (355, 80076), (426, 66730), (710, 40038), (852, 33365), (1065, 26692), (1420, 20019), (2130, 13346), (4260, 6673)]