1899691640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{616783}}^1$

素因数の和:616812

約数の個数: 64

約数和(自身を含む): 5329013760

約数和(自身を除く): 3429322120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 616783, 1233566, 2467132, 3083915, 4317481, 4934264, 6167830, 6784613, 8634962, 12335660, 13569226, 17269924, 21587405, 24671320, 27138452, 33923065, 34539848, 43174810, 47492291, 54276904, 67846130, 86349620, 94984582, 135692260, 172699240, 189969164, 237461455, 271384520, 379938328, 474922910, 949845820, 1899691640]

約数ペア:

[(1, 1899691640), (2, 949845820), (4, 474922910), (5, 379938328), (7, 271384520), (8, 237461455), (10, 189969164), (11, 172699240), (14, 135692260), (20, 94984582), (22, 86349620), (28, 67846130), (35, 54276904), (40, 47492291), (44, 43174810), (55, 34539848), (56, 33923065), (70, 27138452), (77, 24671320), (88, 21587405), (110, 17269924), (140, 13569226), (154, 12335660), (220, 8634962), (280, 6784613), (308, 6167830), (385, 4934264), (440, 4317481), (616, 3083915), (770, 2467132), (1540, 1233566), (3080, 616783)]