157021540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{8273}}^1$

素因数の和:8368

約数の個数: 48

約数和(自身を含む): 360018288

約数和(自身を除く): 202996748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3796, 4745, 8273, 9490, 16546, 18980, 33092, 41365, 82730, 107549, 165460, 215098, 430196, 537745, 603929, 1075490, 1207858, 2150980, 2415716, 3019645, 6039290, 7851077, 12078580, 15702154, 31404308, 39255385, 78510770, 157021540]

約数ペア:

[(1, 157021540), (2, 78510770), (4, 39255385), (5, 31404308), (10, 15702154), (13, 12078580), (20, 7851077), (26, 6039290), (52, 3019645), (65, 2415716), (73, 2150980), (130, 1207858), (146, 1075490), (260, 603929), (292, 537745), (365, 430196), (730, 215098), (949, 165460), (1460, 107549), (1898, 82730), (3796, 41365), (4745, 33092), (8273, 18980), (9490, 16546)]