38507560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 108864000

約数和(自身を除く): 70356440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 149, 182, 260, 280, 284, 298, 355, 364, 455, 497, 520, 568, 596, 710, 728, 745, 910, 923, 994, 1043, 1192, 1420, 1490, 1820, 1846, 1937, 1988, 2086, 2485, 2840, 2980, 3640, 3692, 3874, 3976, 4172, 4615, 4970, 5215, 5960, 6461, 7384, 7748, 8344, 9230, 9685, 9940, 10430, 10579, 12922, 13559, 15496, 18460, 19370, 19880, 20860, 21158, 25844, 27118, 32305, 36920, 38740, 41720, 42316, 51688, 52895, 54236, 64610, 67795, 74053, 77480, 84632, 105790, 108472, 129220, 135590, 137527, 148106, 211580, 258440, 271180, 275054, 296212, 370265, 423160, 542360, 550108, 592424, 687635, 740530, 962689, 1100216, 1375270, 1481060, 1925378, 2750540, 2962120, 3850756, 4813445, 5501080, 7701512, 9626890, 19253780, 38507560]

約数ペア:

[(1, 38507560), (2, 19253780), (4, 9626890), (5, 7701512), (7, 5501080), (8, 4813445), (10, 3850756), (13, 2962120), (14, 2750540), (20, 1925378), (26, 1481060), (28, 1375270), (35, 1100216), (40, 962689), (52, 740530), (56, 687635), (65, 592424), (70, 550108), (71, 542360), (91, 423160), (104, 370265), (130, 296212), (140, 275054), (142, 271180), (149, 258440), (182, 211580), (260, 148106), (280, 137527), (284, 135590), (298, 129220), (355, 108472), (364, 105790), (455, 84632), (497, 77480), (520, 74053), (568, 67795), (596, 64610), (710, 54236), (728, 52895), (745, 51688), (910, 42316), (923, 41720), (994, 38740), (1043, 36920), (1192, 32305), (1420, 27118), (1490, 25844), (1820, 21158), (1846, 20860), (1937, 19880), (1988, 19370), (2086, 18460), (2485, 15496), (2840, 13559), (2980, 12922), (3640, 10579), (3692, 10430), (3874, 9940), (3976, 9685), (4172, 9230), (4615, 8344), (4970, 7748), (5215, 7384), (5960, 6461)]