90142730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 178606080

約数和(自身を除く): 88463350

約数列:

[1, 2, 5, 10, 29, 31, 37, 58, 62, 74, 145, 155, 185, 271, 290, 310, 370, 542, 899, 1073, 1147, 1355, 1798, 2146, 2294, 2710, 4495, 5365, 5735, 7859, 8401, 8990, 10027, 10730, 11470, 15718, 16802, 20054, 33263, 39295, 42005, 50135, 66526, 78590, 84010, 100270, 166315, 243629, 290783, 310837, 332630, 487258, 581566, 621674, 1218145, 1453915, 1554185, 2436290, 2907830, 3108370, 9014273, 18028546, 45071365, 90142730]

約数ペア:

[(1, 90142730), (2, 45071365), (5, 18028546), (10, 9014273), (29, 3108370), (31, 2907830), (37, 2436290), (58, 1554185), (62, 1453915), (74, 1218145), (145, 621674), (155, 581566), (185, 487258), (271, 332630), (290, 310837), (310, 290783), (370, 243629), (542, 166315), (899, 100270), (1073, 84010), (1147, 78590), (1355, 66526), (1798, 50135), (2146, 42005), (2294, 39295), (2710, 33263), (4495, 20054), (5365, 16802), (5735, 15718), (7859, 11470), (8401, 10730), (8990, 10027)]