290141215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 446164992

約数和(自身を除く): 156023777

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 103, 151, 205, 287, 455, 515, 533, 721, 755, 1057, 1339, 1435, 1963, 2665, 3605, 3731, 4223, 5285, 6191, 6695, 9373, 9815, 13741, 15553, 18655, 21115, 29561, 30955, 43337, 46865, 54899, 68705, 77765, 80483, 108871, 147805, 202189, 216685, 274495, 384293, 402415, 544355, 563381, 637673, 1010945, 1415323, 1921465, 2816905, 3188365, 4463711, 7076615, 8289749, 22318555, 41448745, 58028243, 290141215]

約数ペア:

[(1, 290141215), (5, 58028243), (7, 41448745), (13, 22318555), (35, 8289749), (41, 7076615), (65, 4463711), (91, 3188365), (103, 2816905), (151, 1921465), (205, 1415323), (287, 1010945), (455, 637673), (515, 563381), (533, 544355), (721, 402415), (755, 384293), (1057, 274495), (1339, 216685), (1435, 202189), (1963, 147805), (2665, 108871), (3605, 80483), (3731, 77765), (4223, 68705), (5285, 54899), (6191, 46865), (6695, 43337), (9373, 30955), (9815, 29561), (13741, 21115), (15553, 18655)]