47978840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 136080000

約数和(自身を除く): 88101160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 269, 280, 343, 364, 392, 455, 490, 520, 538, 637, 686, 728, 910, 980, 1076, 1274, 1345, 1372, 1715, 1820, 1883, 1960, 2152, 2548, 2690, 2744, 3185, 3430, 3497, 3640, 3766, 4459, 5096, 5380, 6370, 6860, 6994, 7532, 8918, 9415, 10760, 12740, 13181, 13720, 13988, 15064, 17485, 17836, 18830, 22295, 24479, 25480, 26362, 27976, 34970, 35672, 37660, 44590, 48958, 52724, 65905, 69940, 75320, 89180, 92267, 97916, 105448, 122395, 131810, 139880, 171353, 178360, 184534, 195832, 244790, 263620, 342706, 369068, 461335, 489580, 527240, 685412, 738136, 856765, 922670, 979160, 1199471, 1370824, 1713530, 1845340, 2398942, 3427060, 3690680, 4797884, 5997355, 6854120, 9595768, 11994710, 23989420, 47978840]

約数ペア:

[(1, 47978840), (2, 23989420), (4, 11994710), (5, 9595768), (7, 6854120), (8, 5997355), (10, 4797884), (13, 3690680), (14, 3427060), (20, 2398942), (26, 1845340), (28, 1713530), (35, 1370824), (40, 1199471), (49, 979160), (52, 922670), (56, 856765), (65, 738136), (70, 685412), (91, 527240), (98, 489580), (104, 461335), (130, 369068), (140, 342706), (182, 263620), (196, 244790), (245, 195832), (260, 184534), (269, 178360), (280, 171353), (343, 139880), (364, 131810), (392, 122395), (455, 105448), (490, 97916), (520, 92267), (538, 89180), (637, 75320), (686, 69940), (728, 65905), (910, 52724), (980, 48958), (1076, 44590), (1274, 37660), (1345, 35672), (1372, 34970), (1715, 27976), (1820, 26362), (1883, 25480), (1960, 24479), (2152, 22295), (2548, 18830), (2690, 17836), (2744, 17485), (3185, 15064), (3430, 13988), (3497, 13720), (3640, 13181), (3766, 12740), (4459, 10760), (5096, 9415), (5380, 8918), (6370, 7532), (6860, 6994)]