196388920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 548835840

約数和(自身を除く): 352446920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 163, 182, 260, 280, 326, 331, 364, 455, 520, 652, 662, 728, 815, 910, 1141, 1304, 1324, 1630, 1655, 1820, 2119, 2282, 2317, 2648, 3260, 3310, 3640, 4238, 4303, 4564, 4634, 5705, 6520, 6620, 8476, 8606, 9128, 9268, 10595, 11410, 11585, 13240, 14833, 16952, 17212, 18536, 21190, 21515, 22820, 23170, 29666, 30121, 34424, 42380, 43030, 45640, 46340, 53953, 59332, 60242, 74165, 84760, 86060, 92680, 107906, 118664, 120484, 148330, 150605, 172120, 215812, 240968, 269765, 296660, 301210, 377671, 431624, 539530, 593320, 602420, 701389, 755342, 1079060, 1204840, 1402778, 1510684, 1888355, 2158120, 2805556, 3021368, 3506945, 3776710, 4909723, 5611112, 7013890, 7553420, 9819446, 14027780, 15106840, 19638892, 24548615, 28055560, 39277784, 49097230, 98194460, 196388920]

約数ペア:

[(1, 196388920), (2, 98194460), (4, 49097230), (5, 39277784), (7, 28055560), (8, 24548615), (10, 19638892), (13, 15106840), (14, 14027780), (20, 9819446), (26, 7553420), (28, 7013890), (35, 5611112), (40, 4909723), (52, 3776710), (56, 3506945), (65, 3021368), (70, 2805556), (91, 2158120), (104, 1888355), (130, 1510684), (140, 1402778), (163, 1204840), (182, 1079060), (260, 755342), (280, 701389), (326, 602420), (331, 593320), (364, 539530), (455, 431624), (520, 377671), (652, 301210), (662, 296660), (728, 269765), (815, 240968), (910, 215812), (1141, 172120), (1304, 150605), (1324, 148330), (1630, 120484), (1655, 118664), (1820, 107906), (2119, 92680), (2282, 86060), (2317, 84760), (2648, 74165), (3260, 60242), (3310, 59332), (3640, 53953), (4238, 46340), (4303, 45640), (4564, 43030), (4634, 42380), (5705, 34424), (6520, 30121), (6620, 29666), (8476, 23170), (8606, 22820), (9128, 21515), (9268, 21190), (10595, 18536), (11410, 17212), (11585, 16952), (13240, 14833)]