203513690

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 390832128

約数和(自身を除く): 187318438

約数列:

[1, 2, 5, 10, 37, 61, 71, 74, 122, 127, 142, 185, 254, 305, 355, 370, 610, 635, 710, 1270, 2257, 2627, 4331, 4514, 4699, 5254, 7747, 8662, 9017, 9398, 11285, 13135, 15494, 18034, 21655, 22570, 23495, 26270, 38735, 43310, 45085, 46990, 77470, 90170, 160247, 286639, 320494, 333629, 550037, 573278, 667258, 801235, 1100074, 1433195, 1602470, 1668145, 2750185, 2866390, 3336290, 5500370, 20351369, 40702738, 101756845, 203513690]

約数ペア:

[(1, 203513690), (2, 101756845), (5, 40702738), (10, 20351369), (37, 5500370), (61, 3336290), (71, 2866390), (74, 2750185), (122, 1668145), (127, 1602470), (142, 1433195), (185, 1100074), (254, 801235), (305, 667258), (355, 573278), (370, 550037), (610, 333629), (635, 320494), (710, 286639), (1270, 160247), (2257, 90170), (2627, 77470), (4331, 46990), (4514, 45085), (4699, 43310), (5254, 38735), (7747, 26270), (8662, 23495), (9017, 22570), (9398, 21655), (11285, 18034), (13135, 15494)]