1797320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{131}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 4752000

約数和(自身を除く): 2954680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 245, 262, 280, 343, 392, 490, 524, 655, 686, 917, 980, 1048, 1310, 1372, 1715, 1834, 1960, 2620, 2744, 3430, 3668, 4585, 5240, 6419, 6860, 7336, 9170, 12838, 13720, 18340, 25676, 32095, 36680, 44933, 51352, 64190, 89866, 128380, 179732, 224665, 256760, 359464, 449330, 898660, 1797320]

約数ペア:

[(1, 1797320), (2, 898660), (4, 449330), (5, 359464), (7, 256760), (8, 224665), (10, 179732), (14, 128380), (20, 89866), (28, 64190), (35, 51352), (40, 44933), (49, 36680), (56, 32095), (70, 25676), (98, 18340), (131, 13720), (140, 12838), (196, 9170), (245, 7336), (262, 6860), (280, 6419), (343, 5240), (392, 4585), (490, 3668), (524, 3430), (655, 2744), (686, 2620), (917, 1960), (980, 1834), (1048, 1715), (1310, 1372)]