28407470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 41265490

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 31, 35, 38, 53, 62, 65, 70, 91, 95, 106, 130, 133, 155, 182, 190, 217, 247, 265, 266, 310, 371, 403, 434, 455, 494, 530, 589, 665, 689, 742, 806, 910, 1007, 1085, 1178, 1235, 1330, 1378, 1643, 1729, 1855, 2014, 2015, 2170, 2470, 2821, 2945, 3286, 3445, 3458, 3710, 4030, 4123, 4823, 5035, 5642, 5890, 6890, 7049, 7657, 8215, 8246, 8645, 9646, 10070, 11501, 13091, 14098, 14105, 15314, 16430, 17290, 20615, 21359, 23002, 24115, 26182, 28210, 31217, 35245, 38285, 41230, 42718, 48230, 53599, 57505, 62434, 65455, 70490, 76570, 91637, 106795, 107198, 115010, 130910, 149513, 156085, 183274, 213590, 218519, 267995, 299026, 312170, 405821, 437038, 458185, 535990, 747565, 811642, 916370, 1092595, 1495130, 2029105, 2185190, 2840747, 4058210, 5681494, 14203735, 28407470]

約数ペア:

[(1, 28407470), (2, 14203735), (5, 5681494), (7, 4058210), (10, 2840747), (13, 2185190), (14, 2029105), (19, 1495130), (26, 1092595), (31, 916370), (35, 811642), (38, 747565), (53, 535990), (62, 458185), (65, 437038), (70, 405821), (91, 312170), (95, 299026), (106, 267995), (130, 218519), (133, 213590), (155, 183274), (182, 156085), (190, 149513), (217, 130910), (247, 115010), (265, 107198), (266, 106795), (310, 91637), (371, 76570), (403, 70490), (434, 65455), (455, 62434), (494, 57505), (530, 53599), (589, 48230), (665, 42718), (689, 41230), (742, 38285), (806, 35245), (910, 31217), (1007, 28210), (1085, 26182), (1178, 24115), (1235, 23002), (1330, 21359), (1378, 20615), (1643, 17290), (1729, 16430), (1855, 15314), (2014, 14105), (2015, 14098), (2170, 13091), (2470, 11501), (2821, 10070), (2945, 9646), (3286, 8645), (3445, 8246), (3458, 8215), (3710, 7657), (4030, 7049), (4123, 6890), (4823, 5890), (5035, 5642)]