2028082040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{739}}^1$

素因数の和:949

約数の個数: 128

約数和(自身を含む): 5050944000

約数和(自身を除く): 3022861960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 157, 184, 190, 230, 314, 380, 437, 460, 628, 739, 760, 785, 874, 920, 1256, 1478, 1570, 1748, 2185, 2956, 2983, 3140, 3496, 3611, 3695, 4370, 5912, 5966, 6280, 7222, 7390, 8740, 11932, 14041, 14444, 14780, 14915, 16997, 17480, 18055, 23864, 28082, 28888, 29560, 29830, 33994, 36110, 56164, 59660, 67988, 68609, 70205, 72220, 84985, 112328, 116023, 119320, 135976, 137218, 140410, 144440, 169970, 232046, 274436, 280820, 322943, 339940, 343045, 464092, 548872, 561640, 580115, 645886, 679880, 686090, 928184, 1160230, 1291772, 1372180, 1614715, 2204437, 2320460, 2583544, 2668529, 2744360, 3229430, 4408874, 4640920, 5337058, 6458860, 8817748, 10674116, 11022185, 12917720, 13342645, 17635496, 21348232, 22044370, 26685290, 44088740, 50702051, 53370580, 88177480, 101404102, 106741160, 202808204, 253510255, 405616408, 507020510, 1014041020, 2028082040]

約数ペア:

[(1, 2028082040), (2, 1014041020), (4, 507020510), (5, 405616408), (8, 253510255), (10, 202808204), (19, 106741160), (20, 101404102), (23, 88177480), (38, 53370580), (40, 50702051), (46, 44088740), (76, 26685290), (92, 22044370), (95, 21348232), (115, 17635496), (152, 13342645), (157, 12917720), (184, 11022185), (190, 10674116), (230, 8817748), (314, 6458860), (380, 5337058), (437, 4640920), (460, 4408874), (628, 3229430), (739, 2744360), (760, 2668529), (785, 2583544), (874, 2320460), (920, 2204437), (1256, 1614715), (1478, 1372180), (1570, 1291772), (1748, 1160230), (2185, 928184), (2956, 686090), (2983, 679880), (3140, 645886), (3496, 580115), (3611, 561640), (3695, 548872), (4370, 464092), (5912, 343045), (5966, 339940), (6280, 322943), (7222, 280820), (7390, 274436), (8740, 232046), (11932, 169970), (14041, 144440), (14444, 140410), (14780, 137218), (14915, 135976), (16997, 119320), (17480, 116023), (18055, 112328), (23864, 84985), (28082, 72220), (28888, 70205), (29560, 68609), (29830, 67988), (33994, 59660), (36110, 56164)]