172905130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 349920000

約数和(自身を除く): 177014870

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 199, 269, 323, 398, 538, 646, 995, 1345, 1615, 1990, 2690, 3230, 3383, 3781, 4573, 5111, 6766, 7562, 9146, 10222, 16915, 18905, 22865, 25555, 33830, 37810, 45730, 51110, 53531, 64277, 86887, 107062, 128554, 173774, 267655, 321385, 434435, 535310, 642770, 868870, 910027, 1017089, 1820054, 2034178, 4550135, 5085445, 9100270, 10170890, 17290513, 34581026, 86452565, 172905130]

約数ペア:

[(1, 172905130), (2, 86452565), (5, 34581026), (10, 17290513), (17, 10170890), (19, 9100270), (34, 5085445), (38, 4550135), (85, 2034178), (95, 1820054), (170, 1017089), (190, 910027), (199, 868870), (269, 642770), (323, 535310), (398, 434435), (538, 321385), (646, 267655), (995, 173774), (1345, 128554), (1615, 107062), (1990, 86887), (2690, 64277), (3230, 53531), (3383, 51110), (3781, 45730), (4573, 37810), (5111, 33830), (6766, 25555), (7562, 22865), (9146, 18905), (10222, 16915)]