29949320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 71668800

約数和(自身を除く): 41719480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 251, 314, 380, 502, 628, 760, 785, 1004, 1255, 1256, 1570, 2008, 2510, 2983, 3140, 4769, 5020, 5966, 6280, 9538, 10040, 11932, 14915, 19076, 23845, 23864, 29830, 38152, 39407, 47690, 59660, 78814, 95380, 119320, 157628, 190760, 197035, 315256, 394070, 748733, 788140, 1497466, 1576280, 2994932, 3743665, 5989864, 7487330, 14974660, 29949320]

約数ペア:

[(1, 29949320), (2, 14974660), (4, 7487330), (5, 5989864), (8, 3743665), (10, 2994932), (19, 1576280), (20, 1497466), (38, 788140), (40, 748733), (76, 394070), (95, 315256), (152, 197035), (157, 190760), (190, 157628), (251, 119320), (314, 95380), (380, 78814), (502, 59660), (628, 47690), (760, 39407), (785, 38152), (1004, 29830), (1255, 23864), (1256, 23845), (1570, 19076), (2008, 14915), (2510, 11932), (2983, 10040), (3140, 9538), (4769, 6280), (5020, 5966)]