1256227940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2017}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 3051216000

約数和(自身を除く): 1794988060

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 149, 190, 209, 220, 298, 380, 418, 596, 745, 836, 1045, 1490, 1639, 2017, 2090, 2831, 2980, 3278, 4034, 4180, 5662, 6556, 8068, 8195, 10085, 11324, 14155, 16390, 20170, 22187, 28310, 31141, 32780, 38323, 40340, 44374, 56620, 62282, 76646, 88748, 110935, 124564, 153292, 155705, 191615, 221870, 300533, 311410, 383230, 421553, 443740, 601066, 622820, 766460, 843106, 1202132, 1502665, 1686212, 2107765, 3005330, 3305863, 4215530, 5710127, 6010660, 6611726, 8431060, 11420254, 13223452, 16529315, 22840508, 28550635, 33058630, 57101270, 62811397, 66117260, 114202540, 125622794, 251245588, 314056985, 628113970, 1256227940]

約数ペア:

[(1, 1256227940), (2, 628113970), (4, 314056985), (5, 251245588), (10, 125622794), (11, 114202540), (19, 66117260), (20, 62811397), (22, 57101270), (38, 33058630), (44, 28550635), (55, 22840508), (76, 16529315), (95, 13223452), (110, 11420254), (149, 8431060), (190, 6611726), (209, 6010660), (220, 5710127), (298, 4215530), (380, 3305863), (418, 3005330), (596, 2107765), (745, 1686212), (836, 1502665), (1045, 1202132), (1490, 843106), (1639, 766460), (2017, 622820), (2090, 601066), (2831, 443740), (2980, 421553), (3278, 383230), (4034, 311410), (4180, 300533), (5662, 221870), (6556, 191615), (8068, 155705), (8195, 153292), (10085, 124564), (11324, 110935), (14155, 88748), (16390, 76646), (20170, 62282), (22187, 56620), (28310, 44374), (31141, 40340), (32780, 38323)]