72732400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 191800224

約数和(自身を除く): 119067824

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 71, 80, 100, 104, 130, 142, 197, 200, 208, 260, 284, 325, 355, 394, 400, 520, 568, 650, 710, 788, 923, 985, 1040, 1136, 1300, 1420, 1576, 1775, 1846, 1970, 2561, 2600, 2840, 3152, 3550, 3692, 3940, 4615, 4925, 5122, 5200, 5680, 7100, 7384, 7880, 9230, 9850, 10244, 12805, 13987, 14200, 14768, 15760, 18460, 19700, 20488, 23075, 25610, 27974, 28400, 36920, 39400, 40976, 46150, 51220, 55948, 64025, 69935, 73840, 78800, 92300, 102440, 111896, 128050, 139870, 181831, 184600, 204880, 223792, 256100, 279740, 349675, 363662, 369200, 512200, 559480, 699350, 727324, 909155, 1024400, 1118960, 1398700, 1454648, 1818310, 2797400, 2909296, 3636620, 4545775, 5594800, 7273240, 9091550, 14546480, 18183100, 36366200, 72732400]

約数ペア:

[(1, 72732400), (2, 36366200), (4, 18183100), (5, 14546480), (8, 9091550), (10, 7273240), (13, 5594800), (16, 4545775), (20, 3636620), (25, 2909296), (26, 2797400), (40, 1818310), (50, 1454648), (52, 1398700), (65, 1118960), (71, 1024400), (80, 909155), (100, 727324), (104, 699350), (130, 559480), (142, 512200), (197, 369200), (200, 363662), (208, 349675), (260, 279740), (284, 256100), (325, 223792), (355, 204880), (394, 184600), (400, 181831), (520, 139870), (568, 128050), (650, 111896), (710, 102440), (788, 92300), (923, 78800), (985, 73840), (1040, 69935), (1136, 64025), (1300, 55948), (1420, 51220), (1576, 46150), (1775, 40976), (1846, 39400), (1970, 36920), (2561, 28400), (2600, 27974), (2840, 25610), (3152, 23075), (3550, 20488), (3692, 19700), (3940, 18460), (4615, 15760), (4925, 14768), (5122, 14200), (5200, 13987), (5680, 12805), (7100, 10244), (7384, 9850), (7880, 9230)]