218129080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{727}}^1$

素因数の和:1328

約数の個数: 64

約数和(自身を含む): 530187840

約数和(自身を除く): 312058760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 577, 727, 1154, 1454, 2308, 2885, 2908, 3635, 4616, 5770, 5816, 7270, 7501, 9451, 11540, 14540, 15002, 18902, 23080, 29080, 30004, 37505, 37804, 47255, 60008, 75010, 75608, 94510, 150020, 189020, 300040, 378040, 419479, 838958, 1677916, 2097395, 3355832, 4194790, 5453227, 8389580, 10906454, 16779160, 21812908, 27266135, 43625816, 54532270, 109064540, 218129080]

約数ペア:

[(1, 218129080), (2, 109064540), (4, 54532270), (5, 43625816), (8, 27266135), (10, 21812908), (13, 16779160), (20, 10906454), (26, 8389580), (40, 5453227), (52, 4194790), (65, 3355832), (104, 2097395), (130, 1677916), (260, 838958), (520, 419479), (577, 378040), (727, 300040), (1154, 189020), (1454, 150020), (2308, 94510), (2885, 75608), (2908, 75010), (3635, 60008), (4616, 47255), (5770, 37804), (5816, 37505), (7270, 30004), (7501, 29080), (9451, 23080), (11540, 18902), (14540, 15002)]