4397960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 11491200

約数和(自身を除く): 7093240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 139, 140, 226, 278, 280, 452, 556, 565, 695, 791, 904, 973, 1112, 1130, 1390, 1582, 1946, 2260, 2780, 3164, 3892, 3955, 4520, 4865, 5560, 6328, 7784, 7910, 9730, 15707, 15820, 19460, 31414, 31640, 38920, 62828, 78535, 109949, 125656, 157070, 219898, 314140, 439796, 549745, 628280, 879592, 1099490, 2198980, 4397960]

約数ペア:

[(1, 4397960), (2, 2198980), (4, 1099490), (5, 879592), (7, 628280), (8, 549745), (10, 439796), (14, 314140), (20, 219898), (28, 157070), (35, 125656), (40, 109949), (56, 78535), (70, 62828), (113, 38920), (139, 31640), (140, 31414), (226, 19460), (278, 15820), (280, 15707), (452, 9730), (556, 7910), (565, 7784), (695, 6328), (791, 5560), (904, 4865), (973, 4520), (1112, 3955), (1130, 3892), (1390, 3164), (1582, 2780), (1946, 2260)]