27720375790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{20369}}^1$

素因数の和:20557

約数の個数: 64

約数和(自身を含む): 53467827840

約数和(自身を除く): 25747452050

約数列:

[1, 2, 5, 10, 23, 46, 61, 97, 115, 122, 194, 230, 305, 485, 610, 970, 1403, 2231, 2806, 4462, 5917, 7015, 11155, 11834, 14030, 20369, 22310, 29585, 40738, 59170, 101845, 136091, 203690, 272182, 468487, 680455, 936974, 1242509, 1360910, 1975793, 2342435, 2485018, 3951586, 4684870, 6212545, 9878965, 12425090, 19757930, 28577707, 45443239, 57155414, 90886478, 120523373, 142888535, 227216195, 241046746, 285777070, 454432390, 602616865, 1205233730, 2772037579, 5544075158, 13860187895, 27720375790]

約数ペア:

[(1, 27720375790), (2, 13860187895), (5, 5544075158), (10, 2772037579), (23, 1205233730), (46, 602616865), (61, 454432390), (97, 285777070), (115, 241046746), (122, 227216195), (194, 142888535), (230, 120523373), (305, 90886478), (485, 57155414), (610, 45443239), (970, 28577707), (1403, 19757930), (2231, 12425090), (2806, 9878965), (4462, 6212545), (5917, 4684870), (7015, 3951586), (11155, 2485018), (11834, 2342435), (14030, 1975793), (20369, 1360910), (22310, 1242509), (29585, 936974), (40738, 680455), (59170, 468487), (101845, 272182), (136091, 203690)]