203479900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{811}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 478570064

約数和(自身を除く): 275090164

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 193, 260, 325, 386, 650, 772, 811, 965, 1300, 1622, 1930, 2509, 3244, 3860, 4055, 4825, 5018, 8110, 9650, 10036, 10543, 12545, 16220, 19300, 20275, 21086, 25090, 40550, 42172, 50180, 52715, 62725, 81100, 105430, 125450, 156523, 210860, 250900, 263575, 313046, 527150, 626092, 782615, 1054300, 1565230, 2034799, 3130460, 3913075, 4069598, 7826150, 8139196, 10173995, 15652300, 20347990, 40695980, 50869975, 101739950, 203479900]

約数ペア:

[(1, 203479900), (2, 101739950), (4, 50869975), (5, 40695980), (10, 20347990), (13, 15652300), (20, 10173995), (25, 8139196), (26, 7826150), (50, 4069598), (52, 3913075), (65, 3130460), (100, 2034799), (130, 1565230), (193, 1054300), (260, 782615), (325, 626092), (386, 527150), (650, 313046), (772, 263575), (811, 250900), (965, 210860), (1300, 156523), (1622, 125450), (1930, 105430), (2509, 81100), (3244, 62725), (3860, 52715), (4055, 50180), (4825, 42172), (5018, 40550), (8110, 25090), (9650, 21086), (10036, 20275), (10543, 19300), (12545, 16220)]