12638990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 31933440

約数和(自身を除く): 19294450

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 19, 26, 34, 35, 38, 43, 65, 70, 85, 86, 91, 95, 119, 130, 133, 170, 182, 190, 215, 221, 238, 247, 266, 301, 323, 430, 442, 455, 494, 559, 595, 602, 646, 665, 731, 817, 910, 1105, 1118, 1190, 1235, 1330, 1462, 1505, 1547, 1615, 1634, 1729, 2210, 2261, 2470, 2795, 3010, 3094, 3230, 3458, 3655, 3913, 4085, 4199, 4522, 5117, 5590, 5719, 7310, 7735, 7826, 8170, 8398, 8645, 9503, 10234, 10621, 11305, 11438, 13889, 15470, 17290, 19006, 19565, 20995, 21242, 22610, 25585, 27778, 28595, 29393, 39130, 41990, 47515, 51170, 53105, 57190, 58786, 66521, 69445, 74347, 95030, 97223, 106210, 133042, 138890, 146965, 148694, 180557, 194446, 293930, 332605, 361114, 371735, 486115, 665210, 743470, 902785, 972230, 1263899, 1805570, 2527798, 6319495, 12638990]

約数ペア:

[(1, 12638990), (2, 6319495), (5, 2527798), (7, 1805570), (10, 1263899), (13, 972230), (14, 902785), (17, 743470), (19, 665210), (26, 486115), (34, 371735), (35, 361114), (38, 332605), (43, 293930), (65, 194446), (70, 180557), (85, 148694), (86, 146965), (91, 138890), (95, 133042), (119, 106210), (130, 97223), (133, 95030), (170, 74347), (182, 69445), (190, 66521), (215, 58786), (221, 57190), (238, 53105), (247, 51170), (266, 47515), (301, 41990), (323, 39130), (430, 29393), (442, 28595), (455, 27778), (494, 25585), (559, 22610), (595, 21242), (602, 20995), (646, 19565), (665, 19006), (731, 17290), (817, 15470), (910, 13889), (1105, 11438), (1118, 11305), (1190, 10621), (1235, 10234), (1330, 9503), (1462, 8645), (1505, 8398), (1547, 8170), (1615, 7826), (1634, 7735), (1729, 7310), (2210, 5719), (2261, 5590), (2470, 5117), (2795, 4522), (3010, 4199), (3094, 4085), (3230, 3913), (3458, 3655)]