31353400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 81244800

約数和(自身を除く): 49891400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 389, 403, 520, 620, 650, 775, 778, 806, 1240, 1300, 1550, 1556, 1612, 1945, 2015, 2600, 3100, 3112, 3224, 3890, 4030, 5057, 6200, 7780, 8060, 9725, 10075, 10114, 12059, 15560, 16120, 19450, 20150, 20228, 24118, 25285, 38900, 40300, 40456, 48236, 50570, 60295, 77800, 80600, 96472, 101140, 120590, 126425, 156767, 202280, 241180, 252850, 301475, 313534, 482360, 505700, 602950, 627068, 783835, 1011400, 1205900, 1254136, 1567670, 2411800, 3135340, 3919175, 6270680, 7838350, 15676700, 31353400]

約数ペア:

[(1, 31353400), (2, 15676700), (4, 7838350), (5, 6270680), (8, 3919175), (10, 3135340), (13, 2411800), (20, 1567670), (25, 1254136), (26, 1205900), (31, 1011400), (40, 783835), (50, 627068), (52, 602950), (62, 505700), (65, 482360), (100, 313534), (104, 301475), (124, 252850), (130, 241180), (155, 202280), (200, 156767), (248, 126425), (260, 120590), (310, 101140), (325, 96472), (389, 80600), (403, 77800), (520, 60295), (620, 50570), (650, 48236), (775, 40456), (778, 40300), (806, 38900), (1240, 25285), (1300, 24118), (1550, 20228), (1556, 20150), (1612, 19450), (1945, 16120), (2015, 15560), (2600, 12059), (3100, 10114), (3112, 10075), (3224, 9725), (3890, 8060), (4030, 7780), (5057, 6200)]