338020900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 890831872

約数和(自身を除く): 552810972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 37, 50, 62, 70, 74, 100, 124, 140, 148, 155, 175, 185, 217, 259, 310, 350, 370, 421, 434, 518, 620, 700, 740, 775, 842, 868, 925, 1036, 1085, 1147, 1295, 1550, 1684, 1850, 2105, 2170, 2294, 2590, 2947, 3100, 3700, 4210, 4340, 4588, 5180, 5425, 5735, 5894, 6475, 8029, 8420, 10525, 10850, 11470, 11788, 12950, 13051, 14735, 15577, 16058, 21050, 21700, 22940, 25900, 26102, 28675, 29470, 31154, 32116, 40145, 42100, 52204, 57350, 58940, 62308, 65255, 73675, 77885, 80290, 91357, 109039, 114700, 130510, 147350, 155770, 160580, 182714, 200725, 218078, 261020, 294700, 311540, 326275, 365428, 389425, 401450, 436156, 456785, 482887, 545195, 652550, 778850, 802900, 913570, 965774, 1090390, 1305100, 1557700, 1827140, 1931548, 2180780, 2283925, 2414435, 2725975, 3380209, 4567850, 4828870, 5451950, 6760418, 9135700, 9657740, 10903900, 12072175, 13520836, 16901045, 24144350, 33802090, 48288700, 67604180, 84505225, 169010450, 338020900]

約数ペア:

[(1, 338020900), (2, 169010450), (4, 84505225), (5, 67604180), (7, 48288700), (10, 33802090), (14, 24144350), (20, 16901045), (25, 13520836), (28, 12072175), (31, 10903900), (35, 9657740), (37, 9135700), (50, 6760418), (62, 5451950), (70, 4828870), (74, 4567850), (100, 3380209), (124, 2725975), (140, 2414435), (148, 2283925), (155, 2180780), (175, 1931548), (185, 1827140), (217, 1557700), (259, 1305100), (310, 1090390), (350, 965774), (370, 913570), (421, 802900), (434, 778850), (518, 652550), (620, 545195), (700, 482887), (740, 456785), (775, 436156), (842, 401450), (868, 389425), (925, 365428), (1036, 326275), (1085, 311540), (1147, 294700), (1295, 261020), (1550, 218078), (1684, 200725), (1850, 182714), (2105, 160580), (2170, 155770), (2294, 147350), (2590, 130510), (2947, 114700), (3100, 109039), (3700, 91357), (4210, 80290), (4340, 77885), (4588, 73675), (5180, 65255), (5425, 62308), (5735, 58940), (5894, 57350), (6475, 52204), (8029, 42100), (8420, 40145), (10525, 32116), (10850, 31154), (11470, 29470), (11788, 28675), (12950, 26102), (13051, 25900), (14735, 22940), (15577, 21700), (16058, 21050)]