217299690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{39581}}^1$

素因数の和:39655

約数の個数: 48

約数和(自身を含む): 574255656

約数和(自身を除く): 356955966

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 39581, 79162, 118743, 197905, 237486, 356229, 395810, 593715, 712458, 1187430, 1781145, 2414441, 3562290, 4828882, 7243323, 12072205, 14486646, 21729969, 24144410, 36216615, 43459938, 72433230, 108649845, 217299690]

約数ペア:

[(1, 217299690), (2, 108649845), (3, 72433230), (5, 43459938), (6, 36216615), (9, 24144410), (10, 21729969), (15, 14486646), (18, 12072205), (30, 7243323), (45, 4828882), (61, 3562290), (90, 2414441), (122, 1781145), (183, 1187430), (305, 712458), (366, 593715), (549, 395810), (610, 356229), (915, 237486), (1098, 197905), (1830, 118743), (2745, 79162), (5490, 39581)]