199891020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:752

約数の個数: 192

約数和(自身を含む): 692536320

約数和(自身を除く): 492645300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 133, 140, 148, 185, 190, 210, 222, 228, 259, 266, 285, 370, 380, 399, 420, 444, 518, 532, 555, 570, 665, 677, 703, 740, 777, 798, 1036, 1110, 1140, 1295, 1330, 1354, 1406, 1554, 1596, 1995, 2031, 2109, 2220, 2590, 2660, 2708, 2812, 3108, 3385, 3515, 3885, 3990, 4062, 4218, 4739, 4921, 5180, 6770, 7030, 7770, 7980, 8124, 8436, 9478, 9842, 10155, 10545, 12863, 13540, 14060, 14217, 14763, 15540, 18956, 19684, 20310, 21090, 23695, 24605, 25049, 25726, 28434, 29526, 38589, 40620, 42180, 47390, 49210, 50098, 51452, 56868, 59052, 64315, 71085, 73815, 75147, 77178, 90041, 94780, 98420, 100196, 125245, 128630, 142170, 147630, 150294, 154356, 175343, 180082, 192945, 250490, 257260, 270123, 284340, 295260, 300588, 350686, 360164, 375735, 385890, 450205, 475931, 500980, 526029, 540246, 701372, 751470, 771780, 876715, 900410, 951862, 1052058, 1080492, 1350615, 1427793, 1502940, 1753430, 1800820, 1903724, 2104116, 2379655, 2630145, 2701230, 2855586, 3331517, 3506860, 4759310, 5260290, 5402460, 5711172, 6663034, 7138965, 9518620, 9994551, 10520580, 13326068, 14277930, 16657585, 19989102, 28555860, 33315170, 39978204, 49972755, 66630340, 99945510, 199891020]

約数ペア:

[(1, 199891020), (2, 99945510), (3, 66630340), (4, 49972755), (5, 39978204), (6, 33315170), (7, 28555860), (10, 19989102), (12, 16657585), (14, 14277930), (15, 13326068), (19, 10520580), (20, 9994551), (21, 9518620), (28, 7138965), (30, 6663034), (35, 5711172), (37, 5402460), (38, 5260290), (42, 4759310), (57, 3506860), (60, 3331517), (70, 2855586), (74, 2701230), (76, 2630145), (84, 2379655), (95, 2104116), (105, 1903724), (111, 1800820), (114, 1753430), (133, 1502940), (140, 1427793), (148, 1350615), (185, 1080492), (190, 1052058), (210, 951862), (222, 900410), (228, 876715), (259, 771780), (266, 751470), (285, 701372), (370, 540246), (380, 526029), (399, 500980), (420, 475931), (444, 450205), (518, 385890), (532, 375735), (555, 360164), (570, 350686), (665, 300588), (677, 295260), (703, 284340), (740, 270123), (777, 257260), (798, 250490), (1036, 192945), (1110, 180082), (1140, 175343), (1295, 154356), (1330, 150294), (1354, 147630), (1406, 142170), (1554, 128630), (1596, 125245), (1995, 100196), (2031, 98420), (2109, 94780), (2220, 90041), (2590, 77178), (2660, 75147), (2708, 73815), (2812, 71085), (3108, 64315), (3385, 59052), (3515, 56868), (3885, 51452), (3990, 50098), (4062, 49210), (4218, 47390), (4739, 42180), (4921, 40620), (5180, 38589), (6770, 29526), (7030, 28434), (7770, 25726), (7980, 25049), (8124, 24605), (8436, 23695), (9478, 21090), (9842, 20310), (10155, 19684), (10545, 18956), (12863, 15540), (13540, 14763), (14060, 14217)]