206511900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3444

約数の個数: 144

約数和(自身を含む): 706621440

約数和(自身を除く): 500109540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 525, 580, 609, 700, 725, 812, 870, 1015, 1050, 1218, 1450, 1740, 2030, 2100, 2175, 2436, 2900, 3045, 3391, 4060, 4350, 5075, 6090, 6782, 8700, 10150, 10173, 12180, 13564, 15225, 16955, 20300, 20346, 23737, 30450, 33910, 40692, 47474, 50865, 60900, 67820, 71211, 84775, 94948, 98339, 101730, 118685, 142422, 169550, 196678, 203460, 237370, 254325, 284844, 295017, 339100, 356055, 393356, 474740, 491695, 508650, 590034, 593425, 688373, 712110, 983390, 1017300, 1180068, 1186850, 1376746, 1424220, 1475085, 1780275, 1966780, 2065119, 2373700, 2458475, 2753492, 2950170, 3441865, 3560550, 4130238, 4916950, 5900340, 6883730, 7121100, 7375425, 8260476, 9833900, 10325595, 13767460, 14750850, 17209325, 20651190, 29501700, 34418650, 41302380, 51627975, 68837300, 103255950, 206511900]

約数ペア:

[(1, 206511900), (2, 103255950), (3, 68837300), (4, 51627975), (5, 41302380), (6, 34418650), (7, 29501700), (10, 20651190), (12, 17209325), (14, 14750850), (15, 13767460), (20, 10325595), (21, 9833900), (25, 8260476), (28, 7375425), (29, 7121100), (30, 6883730), (35, 5900340), (42, 4916950), (50, 4130238), (58, 3560550), (60, 3441865), (70, 2950170), (75, 2753492), (84, 2458475), (87, 2373700), (100, 2065119), (105, 1966780), (116, 1780275), (140, 1475085), (145, 1424220), (150, 1376746), (174, 1186850), (175, 1180068), (203, 1017300), (210, 983390), (290, 712110), (300, 688373), (348, 593425), (350, 590034), (406, 508650), (420, 491695), (435, 474740), (525, 393356), (580, 356055), (609, 339100), (700, 295017), (725, 284844), (812, 254325), (870, 237370), (1015, 203460), (1050, 196678), (1218, 169550), (1450, 142422), (1740, 118685), (2030, 101730), (2100, 98339), (2175, 94948), (2436, 84775), (2900, 71211), (3045, 67820), (3391, 60900), (4060, 50865), (4350, 47474), (5075, 40692), (6090, 33910), (6782, 30450), (8700, 23737), (10150, 20346), (10173, 20300), (12180, 16955), (13564, 15225)]