258459280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7393}}^1$

素因数の和:7448

約数の個数: 80

約数和(自身を含む): 660136320

約数和(自身を除く): 401677040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 7393, 8740, 14786, 17480, 29572, 34960, 36965, 59144, 73930, 118288, 140467, 147860, 170039, 280934, 295720, 340078, 561868, 591440, 680156, 702335, 850195, 1123736, 1360312, 1404670, 1700390, 2247472, 2720624, 2809340, 3230741, 3400780, 5618680, 6461482, 6801560, 11237360, 12922964, 13603120, 16153705, 25845928, 32307410, 51691856, 64614820, 129229640, 258459280]

約数ペア:

[(1, 258459280), (2, 129229640), (4, 64614820), (5, 51691856), (8, 32307410), (10, 25845928), (16, 16153705), (19, 13603120), (20, 12922964), (23, 11237360), (38, 6801560), (40, 6461482), (46, 5618680), (76, 3400780), (80, 3230741), (92, 2809340), (95, 2720624), (115, 2247472), (152, 1700390), (184, 1404670), (190, 1360312), (230, 1123736), (304, 850195), (368, 702335), (380, 680156), (437, 591440), (460, 561868), (760, 340078), (874, 295720), (920, 280934), (1520, 170039), (1748, 147860), (1840, 140467), (2185, 118288), (3496, 73930), (4370, 59144), (6992, 36965), (7393, 34960), (8740, 29572), (14786, 17480)]