82218700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 190005200

約数和(自身を除く): 107786500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 397, 436, 475, 545, 794, 950, 1090, 1588, 1900, 1985, 2071, 2180, 2725, 3970, 4142, 5450, 7543, 7940, 8284, 9925, 10355, 10900, 15086, 19850, 20710, 30172, 37715, 39700, 41420, 43273, 51775, 75430, 86546, 103550, 150860, 173092, 188575, 207100, 216365, 377150, 432730, 754300, 822187, 865460, 1081825, 1644374, 2163650, 3288748, 4110935, 4327300, 8221870, 16443740, 20554675, 41109350, 82218700]

約数ペア:

[(1, 82218700), (2, 41109350), (4, 20554675), (5, 16443740), (10, 8221870), (19, 4327300), (20, 4110935), (25, 3288748), (38, 2163650), (50, 1644374), (76, 1081825), (95, 865460), (100, 822187), (109, 754300), (190, 432730), (218, 377150), (380, 216365), (397, 207100), (436, 188575), (475, 173092), (545, 150860), (794, 103550), (950, 86546), (1090, 75430), (1588, 51775), (1900, 43273), (1985, 41420), (2071, 39700), (2180, 37715), (2725, 30172), (3970, 20710), (4142, 19850), (5450, 15086), (7543, 10900), (7940, 10355), (8284, 9925)]