519925900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 1270418688

約数和(自身を除く): 750492788

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 71, 86, 100, 130, 131, 142, 172, 215, 260, 262, 284, 325, 355, 430, 524, 559, 650, 655, 710, 860, 923, 1075, 1118, 1300, 1310, 1420, 1703, 1775, 1846, 2150, 2236, 2620, 2795, 3053, 3275, 3406, 3550, 3692, 4300, 4615, 5590, 5633, 6106, 6550, 6812, 7100, 8515, 9230, 9301, 11180, 11266, 12212, 13100, 13975, 15265, 17030, 18460, 18602, 22532, 23075, 27950, 28165, 30530, 34060, 37204, 39689, 42575, 46150, 46505, 55900, 56330, 61060, 73229, 76325, 79378, 85150, 92300, 93010, 112660, 120913, 140825, 146458, 152650, 158756, 170300, 186020, 198445, 232525, 241826, 281650, 292916, 305300, 366145, 396890, 399943, 465050, 483652, 563300, 604565, 732290, 793780, 799886, 930100, 992225, 1209130, 1464580, 1599772, 1830725, 1984450, 1999715, 2418260, 3022825, 3661450, 3968900, 3999430, 5199259, 6045650, 7322900, 7998860, 9998575, 10398518, 12091300, 19997150, 20797036, 25996295, 39994300, 51992590, 103985180, 129981475, 259962950, 519925900]

約数ペア:

[(1, 519925900), (2, 259962950), (4, 129981475), (5, 103985180), (10, 51992590), (13, 39994300), (20, 25996295), (25, 20797036), (26, 19997150), (43, 12091300), (50, 10398518), (52, 9998575), (65, 7998860), (71, 7322900), (86, 6045650), (100, 5199259), (130, 3999430), (131, 3968900), (142, 3661450), (172, 3022825), (215, 2418260), (260, 1999715), (262, 1984450), (284, 1830725), (325, 1599772), (355, 1464580), (430, 1209130), (524, 992225), (559, 930100), (650, 799886), (655, 793780), (710, 732290), (860, 604565), (923, 563300), (1075, 483652), (1118, 465050), (1300, 399943), (1310, 396890), (1420, 366145), (1703, 305300), (1775, 292916), (1846, 281650), (2150, 241826), (2236, 232525), (2620, 198445), (2795, 186020), (3053, 170300), (3275, 158756), (3406, 152650), (3550, 146458), (3692, 140825), (4300, 120913), (4615, 112660), (5590, 93010), (5633, 92300), (6106, 85150), (6550, 79378), (6812, 76325), (7100, 73229), (8515, 61060), (9230, 56330), (9301, 55900), (11180, 46505), (11266, 46150), (12212, 42575), (13100, 39689), (13975, 37204), (15265, 34060), (17030, 30530), (18460, 28165), (18602, 27950), (22532, 23075)]