51575500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 121867200

約数和(自身を除く): 70291700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 61, 76, 89, 95, 100, 122, 125, 178, 190, 244, 250, 305, 356, 380, 445, 475, 500, 610, 890, 950, 1159, 1220, 1525, 1691, 1780, 1900, 2225, 2318, 2375, 3050, 3382, 4450, 4636, 4750, 5429, 5795, 6100, 6764, 7625, 8455, 8900, 9500, 10858, 11125, 11590, 15250, 16910, 21716, 22250, 23180, 27145, 28975, 30500, 33820, 42275, 44500, 54290, 57950, 84550, 103151, 108580, 115900, 135725, 144875, 169100, 206302, 211375, 271450, 289750, 412604, 422750, 515755, 542900, 579500, 678625, 845500, 1031510, 1357250, 2063020, 2578775, 2714500, 5157550, 10315100, 12893875, 25787750, 51575500]

約数ペア:

[(1, 51575500), (2, 25787750), (4, 12893875), (5, 10315100), (10, 5157550), (19, 2714500), (20, 2578775), (25, 2063020), (38, 1357250), (50, 1031510), (61, 845500), (76, 678625), (89, 579500), (95, 542900), (100, 515755), (122, 422750), (125, 412604), (178, 289750), (190, 271450), (244, 211375), (250, 206302), (305, 169100), (356, 144875), (380, 135725), (445, 115900), (475, 108580), (500, 103151), (610, 84550), (890, 57950), (950, 54290), (1159, 44500), (1220, 42275), (1525, 33820), (1691, 30500), (1780, 28975), (1900, 27145), (2225, 23180), (2318, 22250), (2375, 21716), (3050, 16910), (3382, 15250), (4450, 11590), (4636, 11125), (4750, 10858), (5429, 9500), (5795, 8900), (6100, 8455), (6764, 7625)]