394892770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 771068160

約数和(自身を除く): 376175390

約数列:

[1, 2, 5, 10, 19, 38, 71, 73, 95, 142, 146, 190, 355, 365, 401, 710, 730, 802, 1349, 1387, 2005, 2698, 2774, 4010, 5183, 6745, 6935, 7619, 10366, 13490, 13870, 15238, 25915, 28471, 29273, 38095, 51830, 56942, 58546, 76190, 98477, 142355, 146365, 196954, 284710, 292730, 492385, 540949, 556187, 984770, 1081898, 1112374, 2078383, 2704745, 2780935, 4156766, 5409490, 5561870, 10391915, 20783830, 39489277, 78978554, 197446385, 394892770]

約数ペア:

[(1, 394892770), (2, 197446385), (5, 78978554), (10, 39489277), (19, 20783830), (38, 10391915), (71, 5561870), (73, 5409490), (95, 4156766), (142, 2780935), (146, 2704745), (190, 2078383), (355, 1112374), (365, 1081898), (401, 984770), (710, 556187), (730, 540949), (802, 492385), (1349, 292730), (1387, 284710), (2005, 196954), (2698, 146365), (2774, 142355), (4010, 98477), (5183, 76190), (6745, 58546), (6935, 56942), (7619, 51830), (10366, 38095), (13490, 29273), (13870, 28471), (15238, 25915)]