202940900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 503717760

約数和(自身を除く): 300776860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 61, 68, 76, 85, 95, 100, 103, 122, 170, 190, 206, 244, 305, 323, 340, 380, 412, 425, 475, 515, 610, 646, 850, 950, 1030, 1037, 1159, 1220, 1292, 1525, 1615, 1700, 1751, 1900, 1957, 2060, 2074, 2318, 2575, 3050, 3230, 3502, 3914, 4148, 4636, 5150, 5185, 5795, 6100, 6283, 6460, 7004, 7828, 8075, 8755, 9785, 10300, 10370, 11590, 12566, 16150, 17510, 19570, 19703, 20740, 23180, 25132, 25925, 28975, 31415, 32300, 33269, 35020, 39140, 39406, 43775, 48925, 51850, 57950, 62830, 66538, 78812, 87550, 97850, 98515, 103700, 106811, 115900, 119377, 125660, 133076, 157075, 166345, 175100, 195700, 197030, 213622, 238754, 314150, 332690, 394060, 427244, 477508, 492575, 534055, 596885, 628300, 665380, 831725, 985150, 1068110, 1193770, 1663450, 1970300, 2029409, 2136220, 2387540, 2670275, 2984425, 3326900, 4058818, 5340550, 5968850, 8117636, 10147045, 10681100, 11937700, 20294090, 40588180, 50735225, 101470450, 202940900]

約数ペア:

[(1, 202940900), (2, 101470450), (4, 50735225), (5, 40588180), (10, 20294090), (17, 11937700), (19, 10681100), (20, 10147045), (25, 8117636), (34, 5968850), (38, 5340550), (50, 4058818), (61, 3326900), (68, 2984425), (76, 2670275), (85, 2387540), (95, 2136220), (100, 2029409), (103, 1970300), (122, 1663450), (170, 1193770), (190, 1068110), (206, 985150), (244, 831725), (305, 665380), (323, 628300), (340, 596885), (380, 534055), (412, 492575), (425, 477508), (475, 427244), (515, 394060), (610, 332690), (646, 314150), (850, 238754), (950, 213622), (1030, 197030), (1037, 195700), (1159, 175100), (1220, 166345), (1292, 157075), (1525, 133076), (1615, 125660), (1700, 119377), (1751, 115900), (1900, 106811), (1957, 103700), (2060, 98515), (2074, 97850), (2318, 87550), (2575, 78812), (3050, 66538), (3230, 62830), (3502, 57950), (3914, 51850), (4148, 48925), (4636, 43775), (5150, 39406), (5185, 39140), (5795, 35020), (6100, 33269), (6283, 32300), (6460, 31415), (7004, 28975), (7828, 25925), (8075, 25132), (8755, 23180), (9785, 20740), (10300, 19703), (10370, 19570), (11590, 17510), (12566, 16150)]