291750260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20929}}^1$

素因数の和:20996

約数の個数: 48

約数和(自身を含む): 664569360

約数和(自身を除く): 372819100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 20929, 41858, 83716, 104645, 209290, 355793, 418580, 711586, 858089, 1423172, 1716178, 1778965, 3432356, 3557930, 4290445, 7115860, 8580890, 14587513, 17161780, 29175026, 58350052, 72937565, 145875130, 291750260]

約数ペア:

[(1, 291750260), (2, 145875130), (4, 72937565), (5, 58350052), (10, 29175026), (17, 17161780), (20, 14587513), (34, 8580890), (41, 7115860), (68, 4290445), (82, 3557930), (85, 3432356), (164, 1778965), (170, 1716178), (205, 1423172), (340, 858089), (410, 711586), (697, 418580), (820, 355793), (1394, 209290), (2788, 104645), (3485, 83716), (6970, 41858), (13940, 20929)]