381640310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 745355520

約数和(自身を除く): 363715210

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 157, 158, 170, 181, 314, 362, 395, 785, 790, 905, 1343, 1570, 1810, 2669, 2686, 3077, 5338, 6154, 6715, 12403, 13345, 13430, 14299, 15385, 24806, 26690, 28417, 28598, 30770, 56834, 62015, 71495, 124030, 142085, 142990, 210851, 243083, 284170, 421702, 483089, 486166, 966178, 1054255, 1215415, 2108510, 2244943, 2415445, 2430830, 4489886, 4830890, 11224715, 22449430, 38164031, 76328062, 190820155, 381640310]

約数ペア:

[(1, 381640310), (2, 190820155), (5, 76328062), (10, 38164031), (17, 22449430), (34, 11224715), (79, 4830890), (85, 4489886), (157, 2430830), (158, 2415445), (170, 2244943), (181, 2108510), (314, 1215415), (362, 1054255), (395, 966178), (785, 486166), (790, 483089), (905, 421702), (1343, 284170), (1570, 243083), (1810, 210851), (2669, 142990), (2686, 142085), (3077, 124030), (5338, 71495), (6154, 62015), (6715, 56834), (12403, 30770), (13345, 28598), (13430, 28417), (14299, 26690), (15385, 24806)]