1520974490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 3163622400

約数和(自身を除く): 1642647910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 239, 397, 458, 478, 794, 1145, 1195, 1603, 1673, 1985, 2290, 2390, 2779, 3206, 3346, 3970, 5558, 8015, 8365, 13895, 16030, 16730, 27790, 54731, 90913, 94883, 109462, 181826, 189766, 273655, 383117, 454565, 474415, 547310, 636391, 664181, 766234, 909130, 948830, 1272782, 1328362, 1915585, 3181955, 3320905, 3831170, 6363910, 6641810, 21728207, 43456414, 108641035, 152097449, 217282070, 304194898, 760487245, 1520974490]

約数ペア:

[(1, 1520974490), (2, 760487245), (5, 304194898), (7, 217282070), (10, 152097449), (14, 108641035), (35, 43456414), (70, 21728207), (229, 6641810), (239, 6363910), (397, 3831170), (458, 3320905), (478, 3181955), (794, 1915585), (1145, 1328362), (1195, 1272782), (1603, 948830), (1673, 909130), (1985, 766234), (2290, 664181), (2390, 636391), (2779, 547310), (3206, 474415), (3346, 454565), (3970, 383117), (5558, 273655), (8015, 189766), (8365, 181826), (13895, 109462), (16030, 94883), (16730, 90913), (27790, 54731)]