155633420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 334430208

約数和(自身を除く): 178796788

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 863, 1270, 1420, 1726, 2540, 3452, 4315, 8630, 9017, 17260, 18034, 36068, 45085, 61273, 90170, 109601, 122546, 180340, 219202, 245092, 306365, 438404, 548005, 612730, 1096010, 1225460, 2192020, 7781671, 15563342, 31126684, 38908355, 77816710, 155633420]

約数ペア:

[(1, 155633420), (2, 77816710), (4, 38908355), (5, 31126684), (10, 15563342), (20, 7781671), (71, 2192020), (127, 1225460), (142, 1096010), (254, 612730), (284, 548005), (355, 438404), (508, 306365), (635, 245092), (710, 219202), (863, 180340), (1270, 122546), (1420, 109601), (1726, 90170), (2540, 61273), (3452, 45085), (4315, 36068), (8630, 18034), (9017, 17260)]