1007996920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:857

約数の個数: 128

約数和(自身を含む): 2684016000

約数和(自身を除く): 1676019080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 149, 185, 259, 280, 296, 298, 370, 518, 596, 653, 740, 745, 1036, 1043, 1192, 1295, 1306, 1480, 1490, 2072, 2086, 2590, 2612, 2980, 3265, 4172, 4571, 5180, 5215, 5224, 5513, 5960, 6530, 8344, 9142, 10360, 10430, 11026, 13060, 18284, 20860, 22052, 22855, 24161, 26120, 27565, 36568, 38591, 41720, 44104, 45710, 48322, 55130, 77182, 91420, 96644, 97297, 110260, 120805, 154364, 169127, 182840, 192955, 193288, 194594, 220520, 241610, 308728, 338254, 385910, 389188, 483220, 486485, 676508, 681079, 771820, 778376, 845635, 966440, 972970, 1353016, 1362158, 1543640, 1691270, 1945940, 2724316, 3382540, 3405395, 3599989, 3891880, 5448632, 6765080, 6810790, 7199978, 13621580, 14399956, 17999945, 25199923, 27243160, 28799912, 35999890, 50399846, 71999780, 100799692, 125999615, 143999560, 201599384, 251999230, 503998460, 1007996920]

約数ペア:

[(1, 1007996920), (2, 503998460), (4, 251999230), (5, 201599384), (7, 143999560), (8, 125999615), (10, 100799692), (14, 71999780), (20, 50399846), (28, 35999890), (35, 28799912), (37, 27243160), (40, 25199923), (56, 17999945), (70, 14399956), (74, 13621580), (140, 7199978), (148, 6810790), (149, 6765080), (185, 5448632), (259, 3891880), (280, 3599989), (296, 3405395), (298, 3382540), (370, 2724316), (518, 1945940), (596, 1691270), (653, 1543640), (740, 1362158), (745, 1353016), (1036, 972970), (1043, 966440), (1192, 845635), (1295, 778376), (1306, 771820), (1480, 681079), (1490, 676508), (2072, 486485), (2086, 483220), (2590, 389188), (2612, 385910), (2980, 338254), (3265, 308728), (4172, 241610), (4571, 220520), (5180, 194594), (5215, 193288), (5224, 192955), (5513, 182840), (5960, 169127), (6530, 154364), (8344, 120805), (9142, 110260), (10360, 97297), (10430, 96644), (11026, 91420), (13060, 77182), (18284, 55130), (20860, 48322), (22052, 45710), (22855, 44104), (24161, 41720), (26120, 38591), (27565, 36568)]