321230650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21487}}^1$

素因数の和:21535

約数の個数: 48

約数和(自身を含む): 671457024

約数和(自身を除く): 350226374

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 21487, 42974, 107435, 214870, 279331, 494201, 537175, 558662, 988402, 1074350, 1396655, 2471005, 2793310, 4942010, 6424613, 6983275, 12355025, 12849226, 13966550, 24710050, 32123065, 64246130, 160615325, 321230650]

約数ペア:

[(1, 321230650), (2, 160615325), (5, 64246130), (10, 32123065), (13, 24710050), (23, 13966550), (25, 12849226), (26, 12355025), (46, 6983275), (50, 6424613), (65, 4942010), (115, 2793310), (130, 2471005), (230, 1396655), (299, 1074350), (325, 988402), (575, 558662), (598, 537175), (650, 494201), (1150, 279331), (1495, 214870), (2990, 107435), (7475, 42974), (14950, 21487)]