1863156680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3853}}^1$

素因数の和:4039

約数の個数: 128

約数和(自身を含む): 5261172480

約数和(自身を除く): 3398015800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 157, 220, 280, 308, 314, 385, 440, 616, 628, 770, 785, 1099, 1256, 1540, 1570, 1727, 2198, 3080, 3140, 3454, 3853, 4396, 5495, 6280, 6908, 7706, 8635, 8792, 10990, 12089, 13816, 15412, 17270, 19265, 21980, 24178, 26971, 30824, 34540, 38530, 42383, 43960, 48356, 53942, 60445, 69080, 77060, 84766, 96712, 107884, 120890, 134855, 154120, 169532, 211915, 215768, 241780, 269710, 296681, 339064, 423830, 483560, 539420, 593362, 604921, 847660, 1078840, 1186724, 1209842, 1483405, 1695320, 2373448, 2419684, 2966810, 3024605, 4234447, 4839368, 5933620, 6049210, 6654131, 8468894, 11867240, 12098420, 13308262, 16937788, 21172235, 24196840, 26616524, 33270655, 33875576, 42344470, 46578917, 53233048, 66541310, 84688940, 93157834, 133082620, 169377880, 186315668, 232894585, 266165240, 372631336, 465789170, 931578340, 1863156680]

約数ペア:

[(1, 1863156680), (2, 931578340), (4, 465789170), (5, 372631336), (7, 266165240), (8, 232894585), (10, 186315668), (11, 169377880), (14, 133082620), (20, 93157834), (22, 84688940), (28, 66541310), (35, 53233048), (40, 46578917), (44, 42344470), (55, 33875576), (56, 33270655), (70, 26616524), (77, 24196840), (88, 21172235), (110, 16937788), (140, 13308262), (154, 12098420), (157, 11867240), (220, 8468894), (280, 6654131), (308, 6049210), (314, 5933620), (385, 4839368), (440, 4234447), (616, 3024605), (628, 2966810), (770, 2419684), (785, 2373448), (1099, 1695320), (1256, 1483405), (1540, 1209842), (1570, 1186724), (1727, 1078840), (2198, 847660), (3080, 604921), (3140, 593362), (3454, 539420), (3853, 483560), (4396, 423830), (5495, 339064), (6280, 296681), (6908, 269710), (7706, 241780), (8635, 215768), (8792, 211915), (10990, 169532), (12089, 154120), (13816, 134855), (15412, 120890), (17270, 107884), (19265, 96712), (21980, 84766), (24178, 77060), (26971, 69080), (30824, 60445), (34540, 53942), (38530, 48356), (42383, 43960)]