7834840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 20422800

約数和(自身を除く): 12587960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 61, 65, 76, 95, 104, 122, 130, 152, 169, 190, 244, 247, 260, 305, 338, 380, 488, 494, 520, 610, 676, 760, 793, 845, 988, 1159, 1220, 1235, 1352, 1586, 1690, 1976, 2318, 2440, 2470, 3172, 3211, 3380, 3965, 4636, 4940, 5795, 6344, 6422, 6760, 7930, 9272, 9880, 10309, 11590, 12844, 15067, 15860, 16055, 20618, 23180, 25688, 30134, 31720, 32110, 41236, 46360, 51545, 60268, 64220, 75335, 82472, 103090, 120536, 128440, 150670, 195871, 206180, 301340, 391742, 412360, 602680, 783484, 979355, 1566968, 1958710, 3917420, 7834840]

約数ペア:

[(1, 7834840), (2, 3917420), (4, 1958710), (5, 1566968), (8, 979355), (10, 783484), (13, 602680), (19, 412360), (20, 391742), (26, 301340), (38, 206180), (40, 195871), (52, 150670), (61, 128440), (65, 120536), (76, 103090), (95, 82472), (104, 75335), (122, 64220), (130, 60268), (152, 51545), (169, 46360), (190, 41236), (244, 32110), (247, 31720), (260, 30134), (305, 25688), (338, 23180), (380, 20618), (488, 16055), (494, 15860), (520, 15067), (610, 12844), (676, 11590), (760, 10309), (793, 9880), (845, 9272), (988, 7930), (1159, 6760), (1220, 6422), (1235, 6344), (1352, 5795), (1586, 4940), (1690, 4636), (1976, 3965), (2318, 3380), (2440, 3211), (2470, 3172)]