18280600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 46872000

約数和(自身を除く): 28591400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 79, 89, 100, 104, 130, 158, 178, 200, 260, 316, 325, 356, 395, 445, 520, 632, 650, 712, 790, 890, 1027, 1157, 1300, 1580, 1780, 1975, 2054, 2225, 2314, 2600, 3160, 3560, 3950, 4108, 4450, 4628, 5135, 5785, 7031, 7900, 8216, 8900, 9256, 10270, 11570, 14062, 15800, 17800, 20540, 23140, 25675, 28124, 28925, 35155, 41080, 46280, 51350, 56248, 57850, 70310, 91403, 102700, 115700, 140620, 175775, 182806, 205400, 231400, 281240, 351550, 365612, 457015, 703100, 731224, 914030, 1406200, 1828060, 2285075, 3656120, 4570150, 9140300, 18280600]

約数ペア:

[(1, 18280600), (2, 9140300), (4, 4570150), (5, 3656120), (8, 2285075), (10, 1828060), (13, 1406200), (20, 914030), (25, 731224), (26, 703100), (40, 457015), (50, 365612), (52, 351550), (65, 281240), (79, 231400), (89, 205400), (100, 182806), (104, 175775), (130, 140620), (158, 115700), (178, 102700), (200, 91403), (260, 70310), (316, 57850), (325, 56248), (356, 51350), (395, 46280), (445, 41080), (520, 35155), (632, 28925), (650, 28124), (712, 25675), (790, 23140), (890, 20540), (1027, 17800), (1157, 15800), (1300, 14062), (1580, 11570), (1780, 10270), (1975, 9256), (2054, 8900), (2225, 8216), (2314, 7900), (2600, 7031), (3160, 5785), (3560, 5135), (3950, 4628), (4108, 4450)]