199678640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:499

約数の個数: 160

約数和(自身を含む): 569963520

約数和(自身を除く): 370284880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 140, 148, 161, 184, 185, 230, 259, 280, 296, 322, 368, 370, 419, 460, 518, 560, 592, 644, 740, 805, 838, 851, 920, 1036, 1288, 1295, 1480, 1610, 1676, 1702, 1840, 2072, 2095, 2576, 2590, 2933, 2960, 3220, 3352, 3404, 4144, 4190, 4255, 5180, 5866, 5957, 6440, 6704, 6808, 8380, 8510, 9637, 10360, 11732, 11914, 12880, 13616, 14665, 15503, 16760, 17020, 19274, 20720, 23464, 23828, 29330, 29785, 31006, 33520, 34040, 38548, 46928, 47656, 48185, 58660, 59570, 62012, 67459, 68080, 77096, 77515, 95312, 96370, 108521, 117320, 119140, 124024, 134918, 154192, 155030, 192740, 217042, 234640, 238280, 248048, 269836, 310060, 337295, 356569, 385480, 434084, 476560, 539672, 542605, 620120, 674590, 713138, 770960, 868168, 1079344, 1085210, 1240240, 1349180, 1426276, 1736336, 1782845, 2170420, 2495983, 2698360, 2852552, 3565690, 4340840, 4991966, 5396720, 5705104, 7131380, 8681680, 9983932, 12479915, 14262760, 19967864, 24959830, 28525520, 39935728, 49919660, 99839320, 199678640]

約数ペア:

[(1, 199678640), (2, 99839320), (4, 49919660), (5, 39935728), (7, 28525520), (8, 24959830), (10, 19967864), (14, 14262760), (16, 12479915), (20, 9983932), (23, 8681680), (28, 7131380), (35, 5705104), (37, 5396720), (40, 4991966), (46, 4340840), (56, 3565690), (70, 2852552), (74, 2698360), (80, 2495983), (92, 2170420), (112, 1782845), (115, 1736336), (140, 1426276), (148, 1349180), (161, 1240240), (184, 1085210), (185, 1079344), (230, 868168), (259, 770960), (280, 713138), (296, 674590), (322, 620120), (368, 542605), (370, 539672), (419, 476560), (460, 434084), (518, 385480), (560, 356569), (592, 337295), (644, 310060), (740, 269836), (805, 248048), (838, 238280), (851, 234640), (920, 217042), (1036, 192740), (1288, 155030), (1295, 154192), (1480, 134918), (1610, 124024), (1676, 119140), (1702, 117320), (1840, 108521), (2072, 96370), (2095, 95312), (2576, 77515), (2590, 77096), (2933, 68080), (2960, 67459), (3220, 62012), (3352, 59570), (3404, 58660), (4144, 48185), (4190, 47656), (4255, 46928), (5180, 38548), (5866, 34040), (5957, 33520), (6440, 31006), (6704, 29785), (6808, 29330), (8380, 23828), (8510, 23464), (9637, 20720), (10360, 19274), (11732, 17020), (11914, 16760), (12880, 15503), (13616, 14665)]