49988120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:505

約数の個数: 128

約数和(自身を含む): 143216640

約数和(自身を除く): 93228520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 443, 455, 520, 620, 728, 806, 868, 886, 910, 1085, 1240, 1612, 1736, 1772, 1820, 2015, 2170, 2215, 2821, 3101, 3224, 3544, 3640, 4030, 4340, 4430, 5642, 5759, 6202, 8060, 8680, 8860, 11284, 11518, 12404, 13733, 14105, 15505, 16120, 17720, 22568, 23036, 24808, 27466, 28210, 28795, 31010, 40313, 46072, 54932, 56420, 57590, 62020, 68665, 80626, 96131, 109864, 112840, 115180, 124040, 137330, 161252, 178529, 192262, 201565, 230360, 274660, 322504, 357058, 384524, 403130, 480655, 549320, 714116, 769048, 806260, 892645, 961310, 1249703, 1428232, 1612520, 1785290, 1922620, 2499406, 3570580, 3845240, 4998812, 6248515, 7141160, 9997624, 12497030, 24994060, 49988120]

約数ペア:

[(1, 49988120), (2, 24994060), (4, 12497030), (5, 9997624), (7, 7141160), (8, 6248515), (10, 4998812), (13, 3845240), (14, 3570580), (20, 2499406), (26, 1922620), (28, 1785290), (31, 1612520), (35, 1428232), (40, 1249703), (52, 961310), (56, 892645), (62, 806260), (65, 769048), (70, 714116), (91, 549320), (104, 480655), (124, 403130), (130, 384524), (140, 357058), (155, 322504), (182, 274660), (217, 230360), (248, 201565), (260, 192262), (280, 178529), (310, 161252), (364, 137330), (403, 124040), (434, 115180), (443, 112840), (455, 109864), (520, 96131), (620, 80626), (728, 68665), (806, 62020), (868, 57590), (886, 56420), (910, 54932), (1085, 46072), (1240, 40313), (1612, 31010), (1736, 28795), (1772, 28210), (1820, 27466), (2015, 24808), (2170, 23036), (2215, 22568), (2821, 17720), (3101, 16120), (3224, 15505), (3544, 14105), (3640, 13733), (4030, 12404), (4340, 11518), (4430, 11284), (5642, 8860), (5759, 8680), (6202, 8060)]