919949680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{3019}}^1$

素因数の和:3338

約数の個数: 80

約数和(自身を含む): 2312039520

約数和(自身を除く): 1392089840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 293, 520, 586, 1040, 1172, 1465, 2344, 2930, 3019, 3809, 4688, 5860, 6038, 7618, 11720, 12076, 15095, 15236, 19045, 23440, 24152, 30190, 30472, 38090, 39247, 48304, 60380, 60944, 76180, 78494, 120760, 152360, 156988, 196235, 241520, 304720, 313976, 392470, 627952, 784940, 884567, 1569880, 1769134, 3139760, 3538268, 4422835, 7076536, 8845670, 11499371, 14153072, 17691340, 22998742, 35382680, 45997484, 57496855, 70765360, 91994968, 114993710, 183989936, 229987420, 459974840, 919949680]

約数ペア:

[(1, 919949680), (2, 459974840), (4, 229987420), (5, 183989936), (8, 114993710), (10, 91994968), (13, 70765360), (16, 57496855), (20, 45997484), (26, 35382680), (40, 22998742), (52, 17691340), (65, 14153072), (80, 11499371), (104, 8845670), (130, 7076536), (208, 4422835), (260, 3538268), (293, 3139760), (520, 1769134), (586, 1569880), (1040, 884567), (1172, 784940), (1465, 627952), (2344, 392470), (2930, 313976), (3019, 304720), (3809, 241520), (4688, 196235), (5860, 156988), (6038, 152360), (7618, 120760), (11720, 78494), (12076, 76180), (15095, 60944), (15236, 60380), (19045, 48304), (23440, 39247), (24152, 38090), (30190, 30472)]