668889400

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 1598335200

約数和(自身を除く): 929445800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 109, 122, 200, 218, 244, 305, 436, 488, 503, 545, 610, 872, 1006, 1090, 1220, 1525, 2012, 2180, 2440, 2515, 2725, 3050, 4024, 4360, 5030, 5450, 6100, 6649, 10060, 10900, 12200, 12575, 13298, 20120, 21800, 25150, 26596, 30683, 33245, 50300, 53192, 54827, 61366, 66490, 100600, 109654, 122732, 132980, 153415, 166225, 219308, 245464, 265960, 274135, 306830, 332450, 438616, 548270, 613660, 664900, 767075, 1096540, 1227320, 1329800, 1370675, 1534150, 2193080, 2741350, 3068300, 3344447, 5482700, 6136600, 6688894, 10965400, 13377788, 16722235, 26755576, 33444470, 66888940, 83611175, 133777880, 167222350, 334444700, 668889400]

約数ペア:

[(1, 668889400), (2, 334444700), (4, 167222350), (5, 133777880), (8, 83611175), (10, 66888940), (20, 33444470), (25, 26755576), (40, 16722235), (50, 13377788), (61, 10965400), (100, 6688894), (109, 6136600), (122, 5482700), (200, 3344447), (218, 3068300), (244, 2741350), (305, 2193080), (436, 1534150), (488, 1370675), (503, 1329800), (545, 1227320), (610, 1096540), (872, 767075), (1006, 664900), (1090, 613660), (1220, 548270), (1525, 438616), (2012, 332450), (2180, 306830), (2440, 274135), (2515, 265960), (2725, 245464), (3050, 219308), (4024, 166225), (4360, 153415), (5030, 132980), (5450, 122732), (6100, 109654), (6649, 100600), (10060, 66490), (10900, 61366), (12200, 54827), (12575, 53192), (13298, 50300), (20120, 33245), (21800, 30683), (25150, 26596)]