189216590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 357458400

約数和(自身を除く): 168241810

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 151, 290, 298, 302, 745, 755, 841, 1490, 1510, 1682, 4205, 4321, 4379, 8410, 8642, 8758, 21605, 21895, 22499, 43210, 43790, 44998, 112495, 125309, 126991, 224990, 250618, 253982, 626545, 634955, 652471, 1253090, 1269910, 1304942, 3262355, 6524710, 18921659, 37843318, 94608295, 189216590]

約数ペア:

[(1, 189216590), (2, 94608295), (5, 37843318), (10, 18921659), (29, 6524710), (58, 3262355), (145, 1304942), (149, 1269910), (151, 1253090), (290, 652471), (298, 634955), (302, 626545), (745, 253982), (755, 250618), (841, 224990), (1490, 126991), (1510, 125309), (1682, 112495), (4205, 44998), (4321, 43790), (4379, 43210), (8410, 22499), (8642, 21895), (8758, 21605)]