30291700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 70308000

約数和(自身を除く): 40016300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 149, 190, 214, 298, 380, 428, 475, 535, 596, 745, 950, 1070, 1490, 1900, 2033, 2140, 2675, 2831, 2980, 3725, 4066, 5350, 5662, 7450, 8132, 10165, 10700, 11324, 14155, 14900, 15943, 20330, 28310, 31886, 40660, 50825, 56620, 63772, 70775, 79715, 101650, 141550, 159430, 203300, 283100, 302917, 318860, 398575, 605834, 797150, 1211668, 1514585, 1594300, 3029170, 6058340, 7572925, 15145850, 30291700]

約数ペア:

[(1, 30291700), (2, 15145850), (4, 7572925), (5, 6058340), (10, 3029170), (19, 1594300), (20, 1514585), (25, 1211668), (38, 797150), (50, 605834), (76, 398575), (95, 318860), (100, 302917), (107, 283100), (149, 203300), (190, 159430), (214, 141550), (298, 101650), (380, 79715), (428, 70775), (475, 63772), (535, 56620), (596, 50825), (745, 40660), (950, 31886), (1070, 28310), (1490, 20330), (1900, 15943), (2033, 14900), (2140, 14155), (2675, 11324), (2831, 10700), (2980, 10165), (3725, 8132), (4066, 7450), (5350, 5662)]