394380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{313}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 1371552

約数和(自身を除く): 977172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 313, 315, 420, 626, 630, 939, 1252, 1260, 1565, 1878, 2191, 2817, 3130, 3756, 4382, 4695, 5634, 6260, 6573, 8764, 9390, 10955, 11268, 13146, 14085, 18780, 19719, 21910, 26292, 28170, 32865, 39438, 43820, 56340, 65730, 78876, 98595, 131460, 197190, 394380]

約数ペア:

[(1, 394380), (2, 197190), (3, 131460), (4, 98595), (5, 78876), (6, 65730), (7, 56340), (9, 43820), (10, 39438), (12, 32865), (14, 28170), (15, 26292), (18, 21910), (20, 19719), (21, 18780), (28, 14085), (30, 13146), (35, 11268), (36, 10955), (42, 9390), (45, 8764), (60, 6573), (63, 6260), (70, 5634), (84, 4695), (90, 4382), (105, 3756), (126, 3130), (140, 2817), (180, 2191), (210, 1878), (252, 1565), (313, 1260), (315, 1252), (420, 939), (626, 630)]