7222000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 18338112

約数和(自身を除く): 11116112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 157, 184, 200, 230, 250, 314, 368, 400, 460, 500, 575, 628, 785, 920, 1000, 1150, 1256, 1570, 1840, 2000, 2300, 2512, 2875, 3140, 3611, 3925, 4600, 5750, 6280, 7222, 7850, 9200, 11500, 12560, 14444, 15700, 18055, 19625, 23000, 28888, 31400, 36110, 39250, 46000, 57776, 62800, 72220, 78500, 90275, 144440, 157000, 180550, 288880, 314000, 361100, 451375, 722200, 902750, 1444400, 1805500, 3611000, 7222000]

約数ペア:

[(1, 7222000), (2, 3611000), (4, 1805500), (5, 1444400), (8, 902750), (10, 722200), (16, 451375), (20, 361100), (23, 314000), (25, 288880), (40, 180550), (46, 157000), (50, 144440), (80, 90275), (92, 78500), (100, 72220), (115, 62800), (125, 57776), (157, 46000), (184, 39250), (200, 36110), (230, 31400), (250, 28888), (314, 23000), (368, 19625), (400, 18055), (460, 15700), (500, 14444), (575, 12560), (628, 11500), (785, 9200), (920, 7850), (1000, 7222), (1150, 6280), (1256, 5750), (1570, 4600), (1840, 3925), (2000, 3611), (2300, 3140), (2512, 2875)]