231857990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8277

約数の個数: 64

約数和(自身を含む): 530288640

約数和(自身を除く): 298430650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 8219, 14105, 16438, 28210, 41095, 57533, 82190, 106847, 115066, 213694, 254789, 287665, 509578, 534235, 575330, 747929, 1068470, 1273945, 1495858, 1783523, 2547890, 3312257, 3567046, 3739645, 6624514, 7479290, 8917615, 16561285, 17835230, 23185799, 33122570, 46371598, 115928995, 231857990]

約数ペア:

[(1, 231857990), (2, 115928995), (5, 46371598), (7, 33122570), (10, 23185799), (13, 17835230), (14, 16561285), (26, 8917615), (31, 7479290), (35, 6624514), (62, 3739645), (65, 3567046), (70, 3312257), (91, 2547890), (130, 1783523), (155, 1495858), (182, 1273945), (217, 1068470), (310, 747929), (403, 575330), (434, 534235), (455, 509578), (806, 287665), (910, 254789), (1085, 213694), (2015, 115066), (2170, 106847), (2821, 82190), (4030, 57533), (5642, 41095), (8219, 28210), (14105, 16438)]