7218100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 17186400

約数和(自身を除く): 9968300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 131, 145, 190, 262, 290, 380, 475, 524, 551, 580, 655, 725, 950, 1102, 1310, 1450, 1900, 2204, 2489, 2620, 2755, 2900, 3275, 3799, 4978, 5510, 6550, 7598, 9956, 11020, 12445, 13100, 13775, 15196, 18995, 24890, 27550, 37990, 49780, 55100, 62225, 72181, 75980, 94975, 124450, 144362, 189950, 248900, 288724, 360905, 379900, 721810, 1443620, 1804525, 3609050, 7218100]

約数ペア:

[(1, 7218100), (2, 3609050), (4, 1804525), (5, 1443620), (10, 721810), (19, 379900), (20, 360905), (25, 288724), (29, 248900), (38, 189950), (50, 144362), (58, 124450), (76, 94975), (95, 75980), (100, 72181), (116, 62225), (131, 55100), (145, 49780), (190, 37990), (262, 27550), (290, 24890), (380, 18995), (475, 15196), (524, 13775), (551, 13100), (580, 12445), (655, 11020), (725, 9956), (950, 7598), (1102, 6550), (1310, 5510), (1450, 4978), (1900, 3799), (2204, 3275), (2489, 2900), (2620, 2755)]