30642700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:427

約数の個数: 72

約数和(自身を含む): 73589040

約数和(自身を除く): 42946340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 89, 100, 110, 178, 220, 275, 313, 356, 445, 550, 626, 890, 979, 1100, 1252, 1565, 1780, 1958, 2225, 3130, 3443, 3916, 4450, 4895, 6260, 6886, 7825, 8900, 9790, 13772, 15650, 17215, 19580, 24475, 27857, 31300, 34430, 48950, 55714, 68860, 86075, 97900, 111428, 139285, 172150, 278570, 306427, 344300, 557140, 612854, 696425, 1225708, 1392850, 1532135, 2785700, 3064270, 6128540, 7660675, 15321350, 30642700]

約数ペア:

[(1, 30642700), (2, 15321350), (4, 7660675), (5, 6128540), (10, 3064270), (11, 2785700), (20, 1532135), (22, 1392850), (25, 1225708), (44, 696425), (50, 612854), (55, 557140), (89, 344300), (100, 306427), (110, 278570), (178, 172150), (220, 139285), (275, 111428), (313, 97900), (356, 86075), (445, 68860), (550, 55714), (626, 48950), (890, 34430), (979, 31300), (1100, 27857), (1252, 24475), (1565, 19580), (1780, 17215), (1958, 15650), (2225, 13772), (3130, 9790), (3443, 8900), (3916, 7825), (4450, 6886), (4895, 6260)]