287835340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 686407680

約数和(自身を除く): 398572340

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 127, 130, 230, 254, 260, 299, 379, 460, 508, 598, 635, 758, 1196, 1270, 1495, 1516, 1651, 1895, 2540, 2921, 2990, 3302, 3790, 4927, 5842, 5980, 6604, 7580, 8255, 8717, 9854, 11684, 14605, 16510, 17434, 19708, 24635, 29210, 33020, 34868, 37973, 43585, 48133, 49270, 58420, 75946, 87170, 96266, 98540, 113321, 151892, 174340, 189865, 192532, 226642, 240665, 379730, 453284, 481330, 566605, 625729, 759460, 962660, 1107059, 1133210, 1251458, 2214118, 2266420, 2502916, 3128645, 4428236, 5535295, 6257290, 11070590, 12514580, 14391767, 22141180, 28783534, 57567068, 71958835, 143917670, 287835340]

約数ペア:

[(1, 287835340), (2, 143917670), (4, 71958835), (5, 57567068), (10, 28783534), (13, 22141180), (20, 14391767), (23, 12514580), (26, 11070590), (46, 6257290), (52, 5535295), (65, 4428236), (92, 3128645), (115, 2502916), (127, 2266420), (130, 2214118), (230, 1251458), (254, 1133210), (260, 1107059), (299, 962660), (379, 759460), (460, 625729), (508, 566605), (598, 481330), (635, 453284), (758, 379730), (1196, 240665), (1270, 226642), (1495, 192532), (1516, 189865), (1651, 174340), (1895, 151892), (2540, 113321), (2921, 98540), (2990, 96266), (3302, 87170), (3790, 75946), (4927, 58420), (5842, 49270), (5980, 48133), (6604, 43585), (7580, 37973), (8255, 34868), (8717, 33020), (9854, 29210), (11684, 24635), (14605, 19708), (16510, 17434)]