209873040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:657

約数の個数: 160

約数和(自身を含む): 707204736

約数和(自身を除く): 497331696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 137, 156, 195, 208, 240, 260, 274, 312, 390, 411, 491, 520, 548, 624, 685, 780, 822, 982, 1040, 1096, 1370, 1473, 1560, 1644, 1781, 1964, 2055, 2192, 2455, 2740, 2946, 3120, 3288, 3562, 3928, 4110, 4910, 5343, 5480, 5892, 6383, 6576, 7124, 7365, 7856, 8220, 8905, 9820, 10686, 10960, 11784, 12766, 14248, 14730, 16440, 17810, 19149, 19640, 21372, 23568, 25532, 26715, 28496, 29460, 31915, 32880, 35620, 38298, 39280, 42744, 51064, 53430, 58920, 63830, 67267, 71240, 76596, 85488, 95745, 102128, 106860, 117840, 127660, 134534, 142480, 153192, 191490, 201801, 213720, 255320, 269068, 306384, 336335, 382980, 403602, 427440, 510640, 538136, 672670, 765960, 807204, 874471, 1009005, 1076272, 1345340, 1531920, 1614408, 1748942, 2018010, 2623413, 2690680, 3228816, 3497884, 4036020, 4372355, 5246826, 5381360, 6995768, 8072040, 8744710, 10493652, 13117065, 13991536, 16144080, 17489420, 20987304, 26234130, 34978840, 41974608, 52468260, 69957680, 104936520, 209873040]

約数ペア:

[(1, 209873040), (2, 104936520), (3, 69957680), (4, 52468260), (5, 41974608), (6, 34978840), (8, 26234130), (10, 20987304), (12, 17489420), (13, 16144080), (15, 13991536), (16, 13117065), (20, 10493652), (24, 8744710), (26, 8072040), (30, 6995768), (39, 5381360), (40, 5246826), (48, 4372355), (52, 4036020), (60, 3497884), (65, 3228816), (78, 2690680), (80, 2623413), (104, 2018010), (120, 1748942), (130, 1614408), (137, 1531920), (156, 1345340), (195, 1076272), (208, 1009005), (240, 874471), (260, 807204), (274, 765960), (312, 672670), (390, 538136), (411, 510640), (491, 427440), (520, 403602), (548, 382980), (624, 336335), (685, 306384), (780, 269068), (822, 255320), (982, 213720), (1040, 201801), (1096, 191490), (1370, 153192), (1473, 142480), (1560, 134534), (1644, 127660), (1781, 117840), (1964, 106860), (2055, 102128), (2192, 95745), (2455, 85488), (2740, 76596), (2946, 71240), (3120, 67267), (3288, 63830), (3562, 58920), (3928, 53430), (4110, 51064), (4910, 42744), (5343, 39280), (5480, 38298), (5892, 35620), (6383, 32880), (6576, 31915), (7124, 29460), (7365, 28496), (7856, 26715), (8220, 25532), (8905, 23568), (9820, 21372), (10686, 19640), (10960, 19149), (11784, 17810), (12766, 16440), (14248, 14730)]