1209736460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:823

約数の個数: 96

約数和(自身を含む): 2770656000

約数和(自身を除く): 1560919540

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 139, 148, 185, 190, 278, 370, 380, 556, 619, 695, 703, 740, 1238, 1390, 1406, 2476, 2641, 2780, 2812, 3095, 3515, 5143, 5282, 6190, 7030, 10286, 10564, 11761, 12380, 13205, 14060, 20572, 22903, 23522, 25715, 26410, 45806, 47044, 51430, 52820, 58805, 86041, 91612, 97717, 102860, 114515, 117610, 172082, 195434, 229030, 235220, 344164, 390868, 430205, 435157, 458060, 488585, 860410, 870314, 977170, 1634779, 1720820, 1740628, 1954340, 2175785, 3183517, 3269558, 4351570, 6367034, 6539116, 8173895, 8703140, 12734068, 15917585, 16347790, 31835170, 32695580, 60486823, 63670340, 120973646, 241947292, 302434115, 604868230, 1209736460]

約数ペア:

[(1, 1209736460), (2, 604868230), (4, 302434115), (5, 241947292), (10, 120973646), (19, 63670340), (20, 60486823), (37, 32695580), (38, 31835170), (74, 16347790), (76, 15917585), (95, 12734068), (139, 8703140), (148, 8173895), (185, 6539116), (190, 6367034), (278, 4351570), (370, 3269558), (380, 3183517), (556, 2175785), (619, 1954340), (695, 1740628), (703, 1720820), (740, 1634779), (1238, 977170), (1390, 870314), (1406, 860410), (2476, 488585), (2641, 458060), (2780, 435157), (2812, 430205), (3095, 390868), (3515, 344164), (5143, 235220), (5282, 229030), (6190, 195434), (7030, 172082), (10286, 117610), (10564, 114515), (11761, 102860), (12380, 97717), (13205, 91612), (14060, 86041), (20572, 58805), (22903, 52820), (23522, 51430), (25715, 47044), (26410, 45806)]