30460990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 67852800

約数和(自身を除く): 37391810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 74, 95, 133, 185, 190, 259, 266, 370, 518, 619, 665, 703, 1238, 1295, 1330, 1406, 2590, 3095, 3515, 4333, 4921, 6190, 7030, 8666, 9842, 11761, 21665, 22903, 23522, 24605, 43330, 45806, 49210, 58805, 82327, 114515, 117610, 160321, 164654, 229030, 320642, 411635, 435157, 801605, 823270, 870314, 1603210, 2175785, 3046099, 4351570, 6092198, 15230495, 30460990]

約数ペア:

[(1, 30460990), (2, 15230495), (5, 6092198), (7, 4351570), (10, 3046099), (14, 2175785), (19, 1603210), (35, 870314), (37, 823270), (38, 801605), (70, 435157), (74, 411635), (95, 320642), (133, 229030), (185, 164654), (190, 160321), (259, 117610), (266, 114515), (370, 82327), (518, 58805), (619, 49210), (665, 45806), (703, 43330), (1238, 24605), (1295, 23522), (1330, 22903), (1406, 21665), (2590, 11761), (3095, 9842), (3515, 8666), (4333, 7030), (4921, 6190)]