28920900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 84369600

約数和(自身を除く): 55448700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 149, 150, 298, 300, 447, 596, 647, 745, 894, 1294, 1490, 1788, 1941, 2235, 2588, 2980, 3235, 3725, 3882, 4470, 6470, 7450, 7764, 8940, 9705, 11175, 12940, 14900, 16175, 19410, 22350, 32350, 38820, 44700, 48525, 64700, 96403, 97050, 192806, 194100, 289209, 385612, 482015, 578418, 964030, 1156836, 1446045, 1928060, 2410075, 2892090, 4820150, 5784180, 7230225, 9640300, 14460450, 28920900]

約数ペア:

[(1, 28920900), (2, 14460450), (3, 9640300), (4, 7230225), (5, 5784180), (6, 4820150), (10, 2892090), (12, 2410075), (15, 1928060), (20, 1446045), (25, 1156836), (30, 964030), (50, 578418), (60, 482015), (75, 385612), (100, 289209), (149, 194100), (150, 192806), (298, 97050), (300, 96403), (447, 64700), (596, 48525), (647, 44700), (745, 38820), (894, 32350), (1294, 22350), (1490, 19410), (1788, 16175), (1941, 14900), (2235, 12940), (2588, 11175), (2980, 9705), (3235, 8940), (3725, 7764), (3882, 7450), (4470, 6470)]