1009890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{229}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 3067740

約数和(自身を除く): 2057850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 229, 245, 294, 315, 441, 458, 490, 630, 687, 735, 882, 1145, 1374, 1470, 1603, 2061, 2205, 2290, 3206, 3435, 4122, 4410, 4809, 6870, 8015, 9618, 10305, 11221, 14427, 16030, 20610, 22442, 24045, 28854, 33663, 48090, 56105, 67326, 72135, 100989, 112210, 144270, 168315, 201978, 336630, 504945, 1009890]

約数ペア:

[(1, 1009890), (2, 504945), (3, 336630), (5, 201978), (6, 168315), (7, 144270), (9, 112210), (10, 100989), (14, 72135), (15, 67326), (18, 56105), (21, 48090), (30, 33663), (35, 28854), (42, 24045), (45, 22442), (49, 20610), (63, 16030), (70, 14427), (90, 11221), (98, 10305), (105, 9618), (126, 8015), (147, 6870), (210, 4809), (229, 4410), (245, 4122), (294, 3435), (315, 3206), (441, 2290), (458, 2205), (490, 2061), (630, 1603), (687, 1470), (735, 1374), (882, 1145)]