201931520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:786

約数の個数: 144

約数和(自身を含む): 571404288

約数和(自身を除く): 369472768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 727, 868, 896, 992, 1085, 1120, 1240, 1280, 1454, 1736, 1792, 1984, 2170, 2240, 2480, 2908, 3472, 3635, 3968, 4340, 4480, 4960, 5089, 5816, 6944, 7270, 7936, 8680, 8960, 9920, 10178, 11632, 13888, 14540, 17360, 19840, 20356, 22537, 23264, 25445, 27776, 29080, 34720, 39680, 40712, 45074, 46528, 50890, 55552, 58160, 69440, 81424, 90148, 93056, 101780, 112685, 116320, 138880, 157759, 162848, 180296, 186112, 203560, 225370, 232640, 277760, 315518, 325696, 360592, 407120, 450740, 465280, 631036, 651392, 721184, 788795, 814240, 901480, 930560, 1262072, 1302784, 1442368, 1577590, 1628480, 1802960, 2524144, 2884736, 3155180, 3256960, 3605920, 5048288, 5769472, 6310360, 6513920, 7211840, 10096576, 12620720, 14423680, 20193152, 25241440, 28847360, 40386304, 50482880, 100965760, 201931520]

約数ペア:

[(1, 201931520), (2, 100965760), (4, 50482880), (5, 40386304), (7, 28847360), (8, 25241440), (10, 20193152), (14, 14423680), (16, 12620720), (20, 10096576), (28, 7211840), (31, 6513920), (32, 6310360), (35, 5769472), (40, 5048288), (56, 3605920), (62, 3256960), (64, 3155180), (70, 2884736), (80, 2524144), (112, 1802960), (124, 1628480), (128, 1577590), (140, 1442368), (155, 1302784), (160, 1262072), (217, 930560), (224, 901480), (248, 814240), (256, 788795), (280, 721184), (310, 651392), (320, 631036), (434, 465280), (448, 450740), (496, 407120), (560, 360592), (620, 325696), (640, 315518), (727, 277760), (868, 232640), (896, 225370), (992, 203560), (1085, 186112), (1120, 180296), (1240, 162848), (1280, 157759), (1454, 138880), (1736, 116320), (1792, 112685), (1984, 101780), (2170, 93056), (2240, 90148), (2480, 81424), (2908, 69440), (3472, 58160), (3635, 55552), (3968, 50890), (4340, 46528), (4480, 45074), (4960, 40712), (5089, 39680), (5816, 34720), (6944, 29080), (7270, 27776), (7936, 25445), (8680, 23264), (8960, 22537), (9920, 20356), (10178, 19840), (11632, 17360), (13888, 14540)]