280038210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 697852800

約数和(自身を除く): 417814590

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 409, 435, 787, 818, 870, 1227, 1574, 2045, 2361, 2454, 3935, 4090, 4722, 6135, 7870, 11805, 11861, 12270, 22823, 23610, 23722, 35583, 45646, 59305, 68469, 71166, 114115, 118610, 136938, 177915, 228230, 321883, 342345, 355830, 643766, 684690, 965649, 1609415, 1931298, 3218830, 4828245, 9334607, 9656490, 18669214, 28003821, 46673035, 56007642, 93346070, 140019105, 280038210]

約数ペア:

[(1, 280038210), (2, 140019105), (3, 93346070), (5, 56007642), (6, 46673035), (10, 28003821), (15, 18669214), (29, 9656490), (30, 9334607), (58, 4828245), (87, 3218830), (145, 1931298), (174, 1609415), (290, 965649), (409, 684690), (435, 643766), (787, 355830), (818, 342345), (870, 321883), (1227, 228230), (1574, 177915), (2045, 136938), (2361, 118610), (2454, 114115), (3935, 71166), (4090, 68469), (4722, 59305), (6135, 45646), (7870, 35583), (11805, 23722), (11861, 23610), (12270, 22823)]