9941780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 22029840

約数和(自身を除く): 12088060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 281, 290, 305, 562, 580, 610, 1124, 1220, 1405, 1769, 2810, 3538, 5620, 7076, 8149, 8845, 16298, 17141, 17690, 32596, 34282, 35380, 40745, 68564, 81490, 85705, 162980, 171410, 342820, 497089, 994178, 1988356, 2485445, 4970890, 9941780]

約数ペア:

[(1, 9941780), (2, 4970890), (4, 2485445), (5, 1988356), (10, 994178), (20, 497089), (29, 342820), (58, 171410), (61, 162980), (116, 85705), (122, 81490), (145, 68564), (244, 40745), (281, 35380), (290, 34282), (305, 32596), (562, 17690), (580, 17141), (610, 16298), (1124, 8845), (1220, 8149), (1405, 7076), (1769, 5620), (2810, 3538)]