248324440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4013}}^1$

素因数の和:4061

約数の個数: 128

約数和(自身を含む): 728300160

約数和(自身を除く): 479975720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 3094, 3640, 4013, 4420, 4760, 6188, 7735, 8026, 8840, 12376, 15470, 16052, 20065, 28091, 30940, 32104, 40130, 52169, 56182, 61880, 68221, 80260, 104338, 112364, 136442, 140455, 160520, 208676, 224728, 260845, 272884, 280910, 341105, 365183, 417352, 477547, 521690, 545768, 561820, 682210, 730366, 886873, 955094, 1043380, 1123640, 1364420, 1460732, 1773746, 1825915, 1910188, 2086760, 2387735, 2728840, 2921464, 3547492, 3651830, 3820376, 4434365, 4775470, 6208111, 7094984, 7303660, 8868730, 9550940, 12416222, 14607320, 17737460, 19101880, 24832444, 31040555, 35474920, 49664888, 62081110, 124162220, 248324440]

約数ペア:

[(1, 248324440), (2, 124162220), (4, 62081110), (5, 49664888), (7, 35474920), (8, 31040555), (10, 24832444), (13, 19101880), (14, 17737460), (17, 14607320), (20, 12416222), (26, 9550940), (28, 8868730), (34, 7303660), (35, 7094984), (40, 6208111), (52, 4775470), (56, 4434365), (65, 3820376), (68, 3651830), (70, 3547492), (85, 2921464), (91, 2728840), (104, 2387735), (119, 2086760), (130, 1910188), (136, 1825915), (140, 1773746), (170, 1460732), (182, 1364420), (221, 1123640), (238, 1043380), (260, 955094), (280, 886873), (340, 730366), (364, 682210), (442, 561820), (455, 545768), (476, 521690), (520, 477547), (595, 417352), (680, 365183), (728, 341105), (884, 280910), (910, 272884), (952, 260845), (1105, 224728), (1190, 208676), (1547, 160520), (1768, 140455), (1820, 136442), (2210, 112364), (2380, 104338), (3094, 80260), (3640, 68221), (4013, 61880), (4420, 56182), (4760, 52169), (6188, 40130), (7735, 32104), (8026, 30940), (8840, 28091), (12376, 20065), (15470, 16052)]