1339247960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{1907}}^1$

素因数の和:2196

約数の個数: 64

約数和(自身を含む): 3062797920

約数和(自身を除く): 1723549960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 181, 194, 362, 388, 485, 724, 776, 905, 970, 1448, 1810, 1907, 1940, 3620, 3814, 3880, 7240, 7628, 9535, 15256, 17557, 19070, 35114, 38140, 70228, 76280, 87785, 140456, 175570, 184979, 345167, 351140, 369958, 690334, 702280, 739916, 924895, 1380668, 1479832, 1725835, 1849790, 2761336, 3451670, 3699580, 6903340, 7399160, 13806680, 33481199, 66962398, 133924796, 167405995, 267849592, 334811990, 669623980, 1339247960]

約数ペア:

[(1, 1339247960), (2, 669623980), (4, 334811990), (5, 267849592), (8, 167405995), (10, 133924796), (20, 66962398), (40, 33481199), (97, 13806680), (181, 7399160), (194, 6903340), (362, 3699580), (388, 3451670), (485, 2761336), (724, 1849790), (776, 1725835), (905, 1479832), (970, 1380668), (1448, 924895), (1810, 739916), (1907, 702280), (1940, 690334), (3620, 369958), (3814, 351140), (3880, 345167), (7240, 184979), (7628, 175570), (9535, 140456), (15256, 87785), (17557, 76280), (19070, 70228), (35114, 38140)]