487720140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{478157}}^1$

素因数の和:478186

約数の個数: 48

約数和(自身を含む): 1445949792

約数和(自身を除く): 958229652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 478157, 956314, 1434471, 1912628, 2390785, 2868942, 4781570, 5737884, 7172355, 8128669, 9563140, 14344710, 16257338, 24386007, 28689420, 32514676, 40643345, 48772014, 81286690, 97544028, 121930035, 162573380, 243860070, 487720140]

約数ペア:

[(1, 487720140), (2, 243860070), (3, 162573380), (4, 121930035), (5, 97544028), (6, 81286690), (10, 48772014), (12, 40643345), (15, 32514676), (17, 28689420), (20, 24386007), (30, 16257338), (34, 14344710), (51, 9563140), (60, 8128669), (68, 7172355), (85, 5737884), (102, 4781570), (170, 2868942), (204, 2390785), (255, 1912628), (340, 1434471), (510, 956314), (1020, 478157)]