209514870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12721}}^1$

素因数の和:12798

約数の個数: 64

約数和(自身を含む): 567910080

約数和(自身を除く): 358395210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1647, 1830, 2745, 3294, 5490, 8235, 12721, 16470, 25442, 38163, 63605, 76326, 114489, 127210, 190815, 228978, 343467, 381630, 572445, 686934, 775981, 1144890, 1551962, 1717335, 2327943, 3434670, 3879905, 4655886, 6983829, 7759810, 11639715, 13967658, 20951487, 23279430, 34919145, 41902974, 69838290, 104757435, 209514870]

約数ペア:

[(1, 209514870), (2, 104757435), (3, 69838290), (5, 41902974), (6, 34919145), (9, 23279430), (10, 20951487), (15, 13967658), (18, 11639715), (27, 7759810), (30, 6983829), (45, 4655886), (54, 3879905), (61, 3434670), (90, 2327943), (122, 1717335), (135, 1551962), (183, 1144890), (270, 775981), (305, 686934), (366, 572445), (549, 381630), (610, 343467), (915, 228978), (1098, 190815), (1647, 127210), (1830, 114489), (2745, 76326), (3294, 63605), (5490, 38163), (8235, 25442), (12721, 16470)]