2028153890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:772

約数の個数: 128

約数和(自身を含む): 4606460928

約数和(自身を除く): 2578307038

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 70, 73, 74, 85, 119, 146, 170, 185, 238, 259, 365, 370, 511, 518, 595, 629, 631, 730, 1022, 1190, 1241, 1258, 1262, 1295, 2482, 2555, 2590, 2701, 3145, 3155, 4403, 4417, 5110, 5402, 6205, 6290, 6310, 8687, 8806, 8834, 10727, 12410, 13505, 17374, 18907, 21454, 22015, 22085, 23347, 27010, 37814, 43435, 44030, 44170, 45917, 46063, 46694, 53635, 75089, 86870, 91834, 92126, 94535, 107270, 116735, 150178, 163429, 189070, 229585, 230315, 233470, 321419, 322441, 326858, 375445, 396899, 459170, 460630, 642838, 644882, 750890, 783071, 793798, 817145, 1566142, 1607095, 1612205, 1634290, 1704331, 1984495, 2778293, 3214190, 3224410, 3408662, 3915355, 3968990, 5481497, 5556586, 7830710, 8521655, 10962994, 11930317, 13891465, 17043310, 23860634, 27407485, 27782930, 28973627, 54814970, 57947254, 59651585, 119303170, 144868135, 202815389, 289736270, 405630778, 1014076945, 2028153890]

約数ペア:

[(1, 2028153890), (2, 1014076945), (5, 405630778), (7, 289736270), (10, 202815389), (14, 144868135), (17, 119303170), (34, 59651585), (35, 57947254), (37, 54814970), (70, 28973627), (73, 27782930), (74, 27407485), (85, 23860634), (119, 17043310), (146, 13891465), (170, 11930317), (185, 10962994), (238, 8521655), (259, 7830710), (365, 5556586), (370, 5481497), (511, 3968990), (518, 3915355), (595, 3408662), (629, 3224410), (631, 3214190), (730, 2778293), (1022, 1984495), (1190, 1704331), (1241, 1634290), (1258, 1612205), (1262, 1607095), (1295, 1566142), (2482, 817145), (2555, 793798), (2590, 783071), (2701, 750890), (3145, 644882), (3155, 642838), (4403, 460630), (4417, 459170), (5110, 396899), (5402, 375445), (6205, 326858), (6290, 322441), (6310, 321419), (8687, 233470), (8806, 230315), (8834, 229585), (10727, 189070), (12410, 163429), (13505, 150178), (17374, 116735), (18907, 107270), (21454, 94535), (22015, 92126), (22085, 91834), (23347, 86870), (27010, 75089), (37814, 53635), (43435, 46694), (44030, 46063), (44170, 45917)]