211375360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 598090752

約数和(自身を除く): 386715392

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, 761, 868, 896, 992, 1085, 1120, 1240, 1280, 1522, 1736, 1792, 1984, 2170, 2240, 2480, 3044, 3472, 3805, 3968, 4340, 4480, 4960, 5327, 6088, 6944, 7610, 7936, 8680, 8960, 9920, 10654, 12176, 13888, 15220, 17360, 19840, 21308, 23591, 24352, 26635, 27776, 30440, 34720, 39680, 42616, 47182, 48704, 53270, 55552, 60880, 69440, 85232, 94364, 97408, 106540, 117955, 121760, 138880, 165137, 170464, 188728, 194816, 213080, 235910, 243520, 277760, 330274, 340928, 377456, 426160, 471820, 487040, 660548, 681856, 754912, 825685, 852320, 943640, 974080, 1321096, 1363712, 1509824, 1651370, 1704640, 1887280, 2642192, 3019648, 3302740, 3409280, 3774560, 5284384, 6039296, 6605480, 6818560, 7549120, 10568768, 13210960, 15098240, 21137536, 26421920, 30196480, 42275072, 52843840, 105687680, 211375360]

約数ペア:

[(1, 211375360), (2, 105687680), (4, 52843840), (5, 42275072), (7, 30196480), (8, 26421920), (10, 21137536), (14, 15098240), (16, 13210960), (20, 10568768), (28, 7549120), (31, 6818560), (32, 6605480), (35, 6039296), (40, 5284384), (56, 3774560), (62, 3409280), (64, 3302740), (70, 3019648), (80, 2642192), (112, 1887280), (124, 1704640), (128, 1651370), (140, 1509824), (155, 1363712), (160, 1321096), (217, 974080), (224, 943640), (248, 852320), (256, 825685), (280, 754912), (310, 681856), (320, 660548), (434, 487040), (448, 471820), (496, 426160), (560, 377456), (620, 340928), (640, 330274), (761, 277760), (868, 243520), (896, 235910), (992, 213080), (1085, 194816), (1120, 188728), (1240, 170464), (1280, 165137), (1522, 138880), (1736, 121760), (1792, 117955), (1984, 106540), (2170, 97408), (2240, 94364), (2480, 85232), (3044, 69440), (3472, 60880), (3805, 55552), (3968, 53270), (4340, 48704), (4480, 47182), (4960, 42616), (5327, 39680), (6088, 34720), (6944, 30440), (7610, 27776), (7936, 26635), (8680, 24352), (8960, 23591), (9920, 21308), (10654, 19840), (12176, 17360), (13888, 15220)]