251013100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{659}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 589493520

約数和(自身を除く): 338480420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 293, 325, 586, 650, 659, 1172, 1300, 1318, 1465, 2636, 2930, 3295, 3809, 5860, 6590, 7325, 7618, 8567, 13180, 14650, 15236, 16475, 17134, 19045, 29300, 32950, 34268, 38090, 42835, 65900, 76180, 85670, 95225, 171340, 190450, 193087, 214175, 380900, 386174, 428350, 772348, 856700, 965435, 1930870, 2510131, 3861740, 4827175, 5020262, 9654350, 10040524, 12550655, 19308700, 25101310, 50202620, 62753275, 125506550, 251013100]

約数ペア:

[(1, 251013100), (2, 125506550), (4, 62753275), (5, 50202620), (10, 25101310), (13, 19308700), (20, 12550655), (25, 10040524), (26, 9654350), (50, 5020262), (52, 4827175), (65, 3861740), (100, 2510131), (130, 1930870), (260, 965435), (293, 856700), (325, 772348), (586, 428350), (650, 386174), (659, 380900), (1172, 214175), (1300, 193087), (1318, 190450), (1465, 171340), (2636, 95225), (2930, 85670), (3295, 76180), (3809, 65900), (5860, 42835), (6590, 38090), (7325, 34268), (7618, 32950), (8567, 29300), (13180, 19045), (14650, 17134), (15236, 16475)]