195395440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 471398400

約数和(自身を除く): 276002960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 79, 80, 86, 158, 172, 215, 316, 344, 395, 430, 632, 688, 719, 790, 860, 1264, 1438, 1580, 1720, 2876, 3160, 3397, 3440, 3595, 5752, 6320, 6794, 7190, 11504, 13588, 14380, 16985, 27176, 28760, 30917, 33970, 54352, 56801, 57520, 61834, 67940, 113602, 123668, 135880, 154585, 227204, 247336, 271760, 284005, 309170, 454408, 494672, 568010, 618340, 908816, 1136020, 1236680, 2272040, 2442443, 2473360, 4544080, 4884886, 9769772, 12212215, 19539544, 24424430, 39079088, 48848860, 97697720, 195395440]

約数ペア:

[(1, 195395440), (2, 97697720), (4, 48848860), (5, 39079088), (8, 24424430), (10, 19539544), (16, 12212215), (20, 9769772), (40, 4884886), (43, 4544080), (79, 2473360), (80, 2442443), (86, 2272040), (158, 1236680), (172, 1136020), (215, 908816), (316, 618340), (344, 568010), (395, 494672), (430, 454408), (632, 309170), (688, 284005), (719, 271760), (790, 247336), (860, 227204), (1264, 154585), (1438, 135880), (1580, 123668), (1720, 113602), (2876, 67940), (3160, 61834), (3397, 57520), (3440, 56801), (3595, 54352), (5752, 33970), (6320, 30917), (6794, 28760), (7190, 27176), (11504, 16985), (13588, 14380)]