1994438470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1087}}^1$

素因数の和:1405

約数の個数: 64

約数和(自身を含む): 3908653056

約数和(自身を除く): 1914214586

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 251, 430, 502, 731, 1087, 1255, 1462, 2174, 2510, 3655, 4267, 5435, 7310, 8534, 10793, 10870, 18479, 21335, 21586, 36958, 42670, 46741, 53965, 92395, 93482, 107930, 183481, 184790, 233705, 272837, 366962, 467410, 545674, 794597, 917405, 1364185, 1589194, 1834810, 2728370, 3972985, 4638229, 7945970, 9276458, 11731991, 23191145, 23463982, 46382290, 58659955, 117319910, 199443847, 398887694, 997219235, 1994438470]

約数ペア:

[(1, 1994438470), (2, 997219235), (5, 398887694), (10, 199443847), (17, 117319910), (34, 58659955), (43, 46382290), (85, 23463982), (86, 23191145), (170, 11731991), (215, 9276458), (251, 7945970), (430, 4638229), (502, 3972985), (731, 2728370), (1087, 1834810), (1255, 1589194), (1462, 1364185), (2174, 917405), (2510, 794597), (3655, 545674), (4267, 467410), (5435, 366962), (7310, 272837), (8534, 233705), (10793, 184790), (10870, 183481), (18479, 107930), (21335, 93482), (21586, 92395), (36958, 53965), (42670, 46741)]