2008996540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1$

素因数の和:1115

約数の個数: 96

約数和(自身を含む): 4612608000

約数和(自身を除く): 2603611460

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 199, 310, 380, 398, 589, 620, 796, 857, 995, 1178, 1714, 1990, 2356, 2945, 3428, 3781, 3980, 4285, 5890, 6169, 7562, 8570, 11780, 12338, 15124, 16283, 17140, 18905, 24676, 26567, 30845, 32566, 37810, 53134, 61690, 65132, 75620, 81415, 106268, 117211, 123380, 132835, 162830, 170543, 234422, 265670, 325660, 341086, 468844, 504773, 531340, 586055, 682172, 852715, 1009546, 1172110, 1705430, 2019092, 2344220, 2523865, 3240317, 3410860, 5047730, 5286833, 6480634, 10095460, 10573666, 12961268, 16201585, 21147332, 26434165, 32403170, 52868330, 64806340, 100449827, 105736660, 200899654, 401799308, 502249135, 1004498270, 2008996540]

約数ペア:

[(1, 2008996540), (2, 1004498270), (4, 502249135), (5, 401799308), (10, 200899654), (19, 105736660), (20, 100449827), (31, 64806340), (38, 52868330), (62, 32403170), (76, 26434165), (95, 21147332), (124, 16201585), (155, 12961268), (190, 10573666), (199, 10095460), (310, 6480634), (380, 5286833), (398, 5047730), (589, 3410860), (620, 3240317), (796, 2523865), (857, 2344220), (995, 2019092), (1178, 1705430), (1714, 1172110), (1990, 1009546), (2356, 852715), (2945, 682172), (3428, 586055), (3781, 531340), (3980, 504773), (4285, 468844), (5890, 341086), (6169, 325660), (7562, 265670), (8570, 234422), (11780, 170543), (12338, 162830), (15124, 132835), (16283, 123380), (17140, 117211), (18905, 106268), (24676, 81415), (26567, 75620), (30845, 65132), (32566, 61690), (37810, 53134)]