1807000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 4586400

約数和(自身を除く): 2779400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 139, 200, 250, 260, 278, 325, 500, 520, 556, 650, 695, 1000, 1112, 1300, 1390, 1625, 1807, 2600, 2780, 3250, 3475, 3614, 5560, 6500, 6950, 7228, 9035, 13000, 13900, 14456, 17375, 18070, 27800, 34750, 36140, 45175, 69500, 72280, 90350, 139000, 180700, 225875, 361400, 451750, 903500, 1807000]

約数ペア:

[(1, 1807000), (2, 903500), (4, 451750), (5, 361400), (8, 225875), (10, 180700), (13, 139000), (20, 90350), (25, 72280), (26, 69500), (40, 45175), (50, 36140), (52, 34750), (65, 27800), (100, 18070), (104, 17375), (125, 14456), (130, 13900), (139, 13000), (200, 9035), (250, 7228), (260, 6950), (278, 6500), (325, 5560), (500, 3614), (520, 3475), (556, 3250), (650, 2780), (695, 2600), (1000, 1807), (1112, 1625), (1300, 1390)]