4865900

素因数分解:

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

素因数の和:243

約数の個数: 72

約数和(自身を含む): 12030480

約数和(自身を除く): 7164580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 197, 247, 260, 325, 380, 394, 475, 494, 650, 788, 950, 985, 988, 1235, 1300, 1900, 1970, 2470, 2561, 3743, 3940, 4925, 4940, 5122, 6175, 7486, 9850, 10244, 12350, 12805, 14972, 18715, 19700, 24700, 25610, 37430, 48659, 51220, 64025, 74860, 93575, 97318, 128050, 187150, 194636, 243295, 256100, 374300, 486590, 973180, 1216475, 2432950, 4865900]

約数ペア:

[(1, 4865900), (2, 2432950), (4, 1216475), (5, 973180), (10, 486590), (13, 374300), (19, 256100), (20, 243295), (25, 194636), (26, 187150), (38, 128050), (50, 97318), (52, 93575), (65, 74860), (76, 64025), (95, 51220), (100, 48659), (130, 37430), (190, 25610), (197, 24700), (247, 19700), (260, 18715), (325, 14972), (380, 12805), (394, 12350), (475, 10244), (494, 9850), (650, 7486), (788, 6175), (950, 5122), (985, 4940), (988, 4925), (1235, 3940), (1300, 3743), (1900, 2561), (1970, 2470)]