389398360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{547}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 971505360

約数和(自身を除く): 582107000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 547, 740, 962, 1094, 1369, 1480, 1924, 2188, 2405, 2735, 2738, 3848, 4376, 4810, 5470, 5476, 6845, 7111, 9620, 10940, 10952, 13690, 14222, 17797, 19240, 20239, 21880, 27380, 28444, 35555, 35594, 40478, 54760, 56888, 71110, 71188, 80956, 88985, 101195, 142220, 142376, 161912, 177970, 202390, 263107, 284440, 355940, 404780, 526214, 711880, 748843, 809560, 1052428, 1315535, 1497686, 2104856, 2631070, 2995372, 3744215, 5262140, 5990744, 7488430, 9734959, 10524280, 14976860, 19469918, 29953720, 38939836, 48674795, 77879672, 97349590, 194699180, 389398360]

約数ペア:

[(1, 389398360), (2, 194699180), (4, 97349590), (5, 77879672), (8, 48674795), (10, 38939836), (13, 29953720), (20, 19469918), (26, 14976860), (37, 10524280), (40, 9734959), (52, 7488430), (65, 5990744), (74, 5262140), (104, 3744215), (130, 2995372), (148, 2631070), (185, 2104856), (260, 1497686), (296, 1315535), (370, 1052428), (481, 809560), (520, 748843), (547, 711880), (740, 526214), (962, 404780), (1094, 355940), (1369, 284440), (1480, 263107), (1924, 202390), (2188, 177970), (2405, 161912), (2735, 142376), (2738, 142220), (3848, 101195), (4376, 88985), (4810, 80956), (5470, 71188), (5476, 71110), (6845, 56888), (7111, 54760), (9620, 40478), (10940, 35594), (10952, 35555), (13690, 28444), (14222, 27380), (17797, 21880), (19240, 20239)]