857221702280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1453}}^1\times {\mathrm{165721}}^1$

素因数の和:167274

約数の個数: 64

約数和(自身を含む): 1951774282800

約数和(自身を除く): 1094552580520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1453, 1780, 2906, 3560, 5812, 7265, 11624, 14530, 29060, 58120, 129317, 165721, 258634, 331442, 517268, 646585, 662884, 828605, 1034536, 1293170, 1325768, 1657210, 2586340, 3314420, 5172680, 6628840, 14749169, 29498338, 58996676, 73745845, 117993352, 147491690, 240792613, 294983380, 481585226, 589966760, 963170452, 1203963065, 1926340904, 2407926130, 4815852260, 9631704520, 21430542557, 42861085114, 85722170228, 107152712785, 171444340456, 214305425570, 428610851140, 857221702280]

約数ペア:

[(1, 857221702280), (2, 428610851140), (4, 214305425570), (5, 171444340456), (8, 107152712785), (10, 85722170228), (20, 42861085114), (40, 21430542557), (89, 9631704520), (178, 4815852260), (356, 2407926130), (445, 1926340904), (712, 1203963065), (890, 963170452), (1453, 589966760), (1780, 481585226), (2906, 294983380), (3560, 240792613), (5812, 147491690), (7265, 117993352), (11624, 73745845), (14530, 58996676), (29060, 29498338), (58120, 14749169), (129317, 6628840), (165721, 5172680), (258634, 3314420), (331442, 2586340), (517268, 1657210), (646585, 1325768), (662884, 1293170), (828605, 1034536)]