678236420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2017}}^1$

素因数の和:2109

約数の個数: 96

約数和(自身を含む): 1611042048

約数和(自身を除く): 932805628

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 43, 46, 68, 85, 86, 92, 115, 170, 172, 215, 230, 340, 391, 430, 460, 731, 782, 860, 989, 1462, 1564, 1955, 1978, 2017, 2924, 3655, 3910, 3956, 4034, 4945, 7310, 7820, 8068, 9890, 10085, 14620, 16813, 19780, 20170, 33626, 34289, 40340, 46391, 67252, 68578, 84065, 86731, 92782, 137156, 168130, 171445, 173462, 185564, 231955, 336260, 342890, 346924, 433655, 463910, 685780, 788647, 867310, 927820, 1474427, 1577294, 1734620, 1994813, 2948854, 3154588, 3943235, 3989626, 5897708, 7372135, 7886470, 7979252, 9974065, 14744270, 15772940, 19948130, 29488540, 33911821, 39896260, 67823642, 135647284, 169559105, 339118210, 678236420]

約数ペア:

[(1, 678236420), (2, 339118210), (4, 169559105), (5, 135647284), (10, 67823642), (17, 39896260), (20, 33911821), (23, 29488540), (34, 19948130), (43, 15772940), (46, 14744270), (68, 9974065), (85, 7979252), (86, 7886470), (92, 7372135), (115, 5897708), (170, 3989626), (172, 3943235), (215, 3154588), (230, 2948854), (340, 1994813), (391, 1734620), (430, 1577294), (460, 1474427), (731, 927820), (782, 867310), (860, 788647), (989, 685780), (1462, 463910), (1564, 433655), (1955, 346924), (1978, 342890), (2017, 336260), (2924, 231955), (3655, 185564), (3910, 173462), (3956, 171445), (4034, 168130), (4945, 137156), (7310, 92782), (7820, 86731), (8068, 84065), (9890, 68578), (10085, 67252), (14620, 46391), (16813, 40340), (19780, 34289), (20170, 33626)]