228540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 691488

約数和(自身を除く): 462948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 293, 390, 586, 780, 879, 1172, 1465, 1758, 2930, 3516, 3809, 4395, 5860, 7618, 8790, 11427, 15236, 17580, 19045, 22854, 38090, 45708, 57135, 76180, 114270, 228540]

約数ペア:

[(1, 228540), (2, 114270), (3, 76180), (4, 57135), (5, 45708), (6, 38090), (10, 22854), (12, 19045), (13, 17580), (15, 15236), (20, 11427), (26, 8790), (30, 7618), (39, 5860), (52, 4395), (60, 3809), (65, 3516), (78, 2930), (130, 1758), (156, 1465), (195, 1172), (260, 879), (293, 780), (390, 586)]