27130100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 63016800

約数和(自身を除く): 35886700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 131, 190, 218, 262, 380, 436, 475, 524, 545, 655, 950, 1090, 1310, 1900, 2071, 2180, 2489, 2620, 2725, 3275, 4142, 4978, 5450, 6550, 8284, 9956, 10355, 10900, 12445, 13100, 14279, 20710, 24890, 28558, 41420, 49780, 51775, 57116, 62225, 71395, 103550, 124450, 142790, 207100, 248900, 271301, 285580, 356975, 542602, 713950, 1085204, 1356505, 1427900, 2713010, 5426020, 6782525, 13565050, 27130100]

約数ペア:

[(1, 27130100), (2, 13565050), (4, 6782525), (5, 5426020), (10, 2713010), (19, 1427900), (20, 1356505), (25, 1085204), (38, 713950), (50, 542602), (76, 356975), (95, 285580), (100, 271301), (109, 248900), (131, 207100), (190, 142790), (218, 124450), (262, 103550), (380, 71395), (436, 62225), (475, 57116), (524, 51775), (545, 49780), (655, 41420), (950, 28558), (1090, 24890), (1310, 20710), (1900, 14279), (2071, 13100), (2180, 12445), (2489, 10900), (2620, 10355), (2725, 9956), (3275, 8284), (4142, 6550), (4978, 5450)]