251138010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2957}}^1$

素因数の和:3135

約数の個数: 64

約数和(自身を含む): 638928000

約数和(自身を除く): 387789990

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 149, 190, 285, 298, 447, 570, 745, 894, 1490, 2235, 2831, 2957, 4470, 5662, 5914, 8493, 8871, 14155, 14785, 16986, 17742, 28310, 29570, 42465, 44355, 56183, 84930, 88710, 112366, 168549, 280915, 337098, 440593, 561830, 842745, 881186, 1321779, 1685490, 2202965, 2643558, 4405930, 6608895, 8371267, 13217790, 16742534, 25113801, 41856335, 50227602, 83712670, 125569005, 251138010]

約数ペア:

[(1, 251138010), (2, 125569005), (3, 83712670), (5, 50227602), (6, 41856335), (10, 25113801), (15, 16742534), (19, 13217790), (30, 8371267), (38, 6608895), (57, 4405930), (95, 2643558), (114, 2202965), (149, 1685490), (190, 1321779), (285, 881186), (298, 842745), (447, 561830), (570, 440593), (745, 337098), (894, 280915), (1490, 168549), (2235, 112366), (2831, 88710), (2957, 84930), (4470, 56183), (5662, 44355), (5914, 42465), (8493, 29570), (8871, 28310), (14155, 17742), (14785, 16986)]