210067780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 499000320

約数和(自身を除く): 288932540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 260, 268, 310, 335, 389, 403, 620, 670, 778, 806, 871, 1340, 1556, 1612, 1742, 1945, 2015, 2077, 3484, 3890, 4030, 4154, 4355, 5057, 7780, 8060, 8308, 8710, 10114, 10385, 12059, 17420, 20228, 20770, 24118, 25285, 26063, 27001, 41540, 48236, 50570, 52126, 54002, 60295, 101140, 104252, 108004, 120590, 130315, 135005, 156767, 241180, 260630, 270010, 313534, 338819, 521260, 540020, 627068, 677638, 783835, 807953, 1355276, 1567670, 1615906, 1694095, 3135340, 3231812, 3388190, 4039765, 6776380, 8079530, 10503389, 16159060, 21006778, 42013556, 52516945, 105033890, 210067780]

約数ペア:

[(1, 210067780), (2, 105033890), (4, 52516945), (5, 42013556), (10, 21006778), (13, 16159060), (20, 10503389), (26, 8079530), (31, 6776380), (52, 4039765), (62, 3388190), (65, 3231812), (67, 3135340), (124, 1694095), (130, 1615906), (134, 1567670), (155, 1355276), (260, 807953), (268, 783835), (310, 677638), (335, 627068), (389, 540020), (403, 521260), (620, 338819), (670, 313534), (778, 270010), (806, 260630), (871, 241180), (1340, 156767), (1556, 135005), (1612, 130315), (1742, 120590), (1945, 108004), (2015, 104252), (2077, 101140), (3484, 60295), (3890, 54002), (4030, 52126), (4154, 50570), (4355, 48236), (5057, 41540), (7780, 27001), (8060, 26063), (8308, 25285), (8710, 24118), (10114, 20770), (10385, 20228), (12059, 17420)]