449089720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 1103155200

約数和(自身を除く): 654065480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 79, 92, 115, 148, 158, 167, 184, 185, 230, 296, 316, 334, 370, 395, 460, 632, 668, 740, 790, 835, 851, 920, 1336, 1480, 1580, 1670, 1702, 1817, 2923, 3160, 3340, 3404, 3634, 3841, 4255, 5846, 6179, 6680, 6808, 7268, 7682, 8510, 9085, 11692, 12358, 13193, 14536, 14615, 15364, 17020, 18170, 19205, 23384, 24716, 26386, 29230, 30728, 30895, 34040, 36340, 38410, 49432, 52772, 58460, 61790, 65965, 67229, 72680, 76820, 105544, 116920, 123580, 131930, 134458, 142117, 153640, 247160, 263860, 268916, 284234, 303439, 336145, 488141, 527720, 537832, 568468, 606878, 672290, 710585, 976282, 1136936, 1213756, 1344580, 1421170, 1517195, 1952564, 2427512, 2440705, 2689160, 2842340, 3034390, 3905128, 4881410, 5684680, 6068780, 9762820, 11227243, 12137560, 19525640, 22454486, 44908972, 56136215, 89817944, 112272430, 224544860, 449089720]

約数ペア:

[(1, 449089720), (2, 224544860), (4, 112272430), (5, 89817944), (8, 56136215), (10, 44908972), (20, 22454486), (23, 19525640), (37, 12137560), (40, 11227243), (46, 9762820), (74, 6068780), (79, 5684680), (92, 4881410), (115, 3905128), (148, 3034390), (158, 2842340), (167, 2689160), (184, 2440705), (185, 2427512), (230, 1952564), (296, 1517195), (316, 1421170), (334, 1344580), (370, 1213756), (395, 1136936), (460, 976282), (632, 710585), (668, 672290), (740, 606878), (790, 568468), (835, 537832), (851, 527720), (920, 488141), (1336, 336145), (1480, 303439), (1580, 284234), (1670, 268916), (1702, 263860), (1817, 247160), (2923, 153640), (3160, 142117), (3340, 134458), (3404, 131930), (3634, 123580), (3841, 116920), (4255, 105544), (5846, 76820), (6179, 72680), (6680, 67229), (6808, 65965), (7268, 61790), (7682, 58460), (8510, 52772), (9085, 49432), (11692, 38410), (12358, 36340), (13193, 34040), (14536, 30895), (14615, 30728), (15364, 29230), (17020, 26386), (18170, 24716), (19205, 23384)]