189438900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^4\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 180

約数和(自身を含む): 641854752

約数和(自身を除く): 452415852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 263, 294, 300, 343, 350, 420, 490, 525, 526, 588, 686, 700, 735, 789, 980, 1029, 1050, 1052, 1225, 1315, 1372, 1470, 1578, 1715, 1841, 2058, 2100, 2401, 2450, 2630, 2940, 3156, 3430, 3675, 3682, 3945, 4116, 4802, 4900, 5145, 5260, 5523, 6575, 6860, 7203, 7350, 7364, 7890, 8575, 9205, 9604, 10290, 11046, 12005, 12887, 13150, 14406, 14700, 15780, 17150, 18410, 19725, 20580, 22092, 24010, 25725, 25774, 26300, 27615, 28812, 34300, 36015, 36820, 38661, 39450, 46025, 48020, 51450, 51548, 55230, 60025, 64435, 72030, 77322, 78900, 90209, 92050, 102900, 110460, 120050, 128870, 138075, 144060, 154644, 180075, 180418, 184100, 193305, 240100, 257740, 270627, 276150, 322175, 360150, 360836, 386610, 451045, 541254, 552300, 631463, 644350, 720300, 773220, 902090, 966525, 1082508, 1262926, 1288700, 1353135, 1804180, 1894389, 1933050, 2255225, 2525852, 2706270, 3157315, 3788778, 3866100, 4510450, 5412540, 6314630, 6765675, 7577556, 9020900, 9471945, 12629260, 13531350, 15786575, 18943890, 27062700, 31573150, 37887780, 47359725, 63146300, 94719450, 189438900]

約数ペア:

[(1, 189438900), (2, 94719450), (3, 63146300), (4, 47359725), (5, 37887780), (6, 31573150), (7, 27062700), (10, 18943890), (12, 15786575), (14, 13531350), (15, 12629260), (20, 9471945), (21, 9020900), (25, 7577556), (28, 6765675), (30, 6314630), (35, 5412540), (42, 4510450), (49, 3866100), (50, 3788778), (60, 3157315), (70, 2706270), (75, 2525852), (84, 2255225), (98, 1933050), (100, 1894389), (105, 1804180), (140, 1353135), (147, 1288700), (150, 1262926), (175, 1082508), (196, 966525), (210, 902090), (245, 773220), (263, 720300), (294, 644350), (300, 631463), (343, 552300), (350, 541254), (420, 451045), (490, 386610), (525, 360836), (526, 360150), (588, 322175), (686, 276150), (700, 270627), (735, 257740), (789, 240100), (980, 193305), (1029, 184100), (1050, 180418), (1052, 180075), (1225, 154644), (1315, 144060), (1372, 138075), (1470, 128870), (1578, 120050), (1715, 110460), (1841, 102900), (2058, 92050), (2100, 90209), (2401, 78900), (2450, 77322), (2630, 72030), (2940, 64435), (3156, 60025), (3430, 55230), (3675, 51548), (3682, 51450), (3945, 48020), (4116, 46025), (4802, 39450), (4900, 38661), (5145, 36820), (5260, 36015), (5523, 34300), (6575, 28812), (6860, 27615), (7203, 26300), (7350, 25774), (7364, 25725), (7890, 24010), (8575, 22092), (9205, 20580), (9604, 19725), (10290, 18410), (11046, 17150), (12005, 15780), (12887, 14700), (13150, 14406)]