2840580.00000000

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 207498240

約数和(自身を除く): 136711650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 113, 114, 133, 157, 190, 210, 226, 266, 285, 314, 339, 399, 471, 565, 570, 665, 678, 785, 791, 798, 942, 1099, 1130, 1330, 1570, 1582, 1695, 1995, 2147, 2198, 2355, 2373, 2983, 3297, 3390, 3955, 3990, 4294, 4710, 4746, 5495, 5966, 6441, 6594, 7910, 8949, 10735, 10990, 11865, 12882, 14915, 15029, 16485, 17741, 17898, 20881, 21470, 23730, 29830, 30058, 32205, 32970, 35482, 41762, 44745, 45087, 53223, 62643, 64410, 75145, 88705, 89490, 90174, 104405, 106446, 124187, 125286, 150290, 177410, 208810, 225435, 248374, 266115, 313215, 337079, 372561, 450870, 532230, 620935, 626430, 674158, 745122, 1011237, 1241870, 1685395, 1862805, 2022474, 2359553, 3370790, 3725610, 4719106, 5056185, 7078659, 10112370, 11797765, 14157318, 23595530, 35393295, 70786590]

約数ペア:

[(1, 70786590), (2, 35393295), (3, 23595530), (5, 14157318), (6, 11797765), (7, 10112370), (10, 7078659), (14, 5056185), (15, 4719106), (19, 3725610), (21, 3370790), (30, 2359553), (35, 2022474), (38, 1862805), (42, 1685395), (57, 1241870), (70, 1011237), (95, 745122), (105, 674158), (113, 626430), (114, 620935), (133, 532230), (157, 450870), (190, 372561), (210, 337079), (226, 313215), (266, 266115), (285, 248374), (314, 225435), (339, 208810), (399, 177410), (471, 150290), (565, 125286), (570, 124187), (665, 106446), (678, 104405), (785, 90174), (791, 89490), (798, 88705), (942, 75145), (1099, 64410), (1130, 62643), (1330, 53223), (1570, 45087), (1582, 44745), (1695, 41762), (1995, 35482), (2147, 32970), (2198, 32205), (2355, 30058), (2373, 29830), (2983, 23730), (3297, 21470), (3390, 20881), (3955, 17898), (3990, 17741), (4294, 16485), (4710, 15029), (4746, 14915), (5495, 12882), (5966, 11865), (6441, 10990), (6594, 10735), (7910, 8949)]