16879700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 39372480

約数和(自身を除く): 22492780

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 41, 46, 50, 82, 92, 100, 115, 164, 179, 205, 230, 358, 410, 460, 575, 716, 820, 895, 943, 1025, 1150, 1790, 1886, 2050, 2300, 3580, 3772, 4100, 4117, 4475, 4715, 7339, 8234, 8950, 9430, 14678, 16468, 17900, 18860, 20585, 23575, 29356, 36695, 41170, 47150, 73390, 82340, 94300, 102925, 146780, 168797, 183475, 205850, 337594, 366950, 411700, 675188, 733900, 843985, 1687970, 3375940, 4219925, 8439850, 16879700]

約数ペア:

[(1, 16879700), (2, 8439850), (4, 4219925), (5, 3375940), (10, 1687970), (20, 843985), (23, 733900), (25, 675188), (41, 411700), (46, 366950), (50, 337594), (82, 205850), (92, 183475), (100, 168797), (115, 146780), (164, 102925), (179, 94300), (205, 82340), (230, 73390), (358, 47150), (410, 41170), (460, 36695), (575, 29356), (716, 23575), (820, 20585), (895, 18860), (943, 17900), (1025, 16468), (1150, 14678), (1790, 9430), (1886, 8950), (2050, 8234), (2300, 7339), (3580, 4715), (3772, 4475), (4100, 4117)]