38927200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 108274320

約数和(自身を除く): 69347120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 197, 200, 208, 247, 260, 304, 325, 380, 394, 400, 416, 475, 494, 520, 608, 650, 760, 788, 800, 950, 985, 988, 1040, 1235, 1300, 1520, 1576, 1900, 1970, 1976, 2080, 2470, 2561, 2600, 3040, 3152, 3743, 3800, 3940, 3952, 4925, 4940, 5122, 5200, 6175, 6304, 7486, 7600, 7880, 7904, 9850, 9880, 10244, 10400, 12350, 12805, 14972, 15200, 15760, 18715, 19700, 19760, 20488, 24700, 25610, 29944, 31520, 37430, 39400, 39520, 40976, 48659, 49400, 51220, 59888, 64025, 74860, 78800, 81952, 93575, 97318, 98800, 102440, 119776, 128050, 149720, 157600, 187150, 194636, 197600, 204880, 243295, 256100, 299440, 374300, 389272, 409760, 486590, 512200, 598880, 748600, 778544, 973180, 1024400, 1216475, 1497200, 1557088, 1946360, 2048800, 2432950, 2994400, 3892720, 4865900, 7785440, 9731800, 19463600, 38927200]

約数ペア:

[(1, 38927200), (2, 19463600), (4, 9731800), (5, 7785440), (8, 4865900), (10, 3892720), (13, 2994400), (16, 2432950), (19, 2048800), (20, 1946360), (25, 1557088), (26, 1497200), (32, 1216475), (38, 1024400), (40, 973180), (50, 778544), (52, 748600), (65, 598880), (76, 512200), (80, 486590), (95, 409760), (100, 389272), (104, 374300), (130, 299440), (152, 256100), (160, 243295), (190, 204880), (197, 197600), (200, 194636), (208, 187150), (247, 157600), (260, 149720), (304, 128050), (325, 119776), (380, 102440), (394, 98800), (400, 97318), (416, 93575), (475, 81952), (494, 78800), (520, 74860), (608, 64025), (650, 59888), (760, 51220), (788, 49400), (800, 48659), (950, 40976), (985, 39520), (988, 39400), (1040, 37430), (1235, 31520), (1300, 29944), (1520, 25610), (1576, 24700), (1900, 20488), (1970, 19760), (1976, 19700), (2080, 18715), (2470, 15760), (2561, 15200), (2600, 14972), (3040, 12805), (3152, 12350), (3743, 10400), (3800, 10244), (3940, 9880), (3952, 9850), (4925, 7904), (4940, 7880), (5122, 7600), (5200, 7486), (6175, 6304)]