71970290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1107

約数の個数: 64

約数和(自身を含む): 158941440

約数和(自身を除く): 86971150

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 53, 70, 95, 106, 133, 190, 265, 266, 371, 530, 665, 742, 1007, 1021, 1330, 1855, 2014, 2042, 3710, 5035, 5105, 7049, 7147, 10070, 10210, 14098, 14294, 19399, 35245, 35735, 38798, 54113, 70490, 71470, 96995, 108226, 135793, 193990, 270565, 271586, 378791, 541130, 678965, 757582, 1028147, 1357930, 1893955, 2056294, 3787910, 5140735, 7197029, 10281470, 14394058, 35985145, 71970290]

約数ペア:

[(1, 71970290), (2, 35985145), (5, 14394058), (7, 10281470), (10, 7197029), (14, 5140735), (19, 3787910), (35, 2056294), (38, 1893955), (53, 1357930), (70, 1028147), (95, 757582), (106, 678965), (133, 541130), (190, 378791), (265, 271586), (266, 270565), (371, 193990), (530, 135793), (665, 108226), (742, 96995), (1007, 71470), (1021, 70490), (1330, 54113), (1855, 38798), (2014, 35735), (2042, 35245), (3710, 19399), (5035, 14294), (5105, 14098), (7049, 10210), (7147, 10070)]