1925755720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:863

約数の個数: 128

約数和(自身を含む): 5061864960

約数和(自身を除く): 3136109240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 157, 280, 284, 314, 355, 497, 568, 617, 628, 710, 785, 994, 1099, 1234, 1256, 1420, 1570, 1988, 2198, 2468, 2485, 2840, 3085, 3140, 3976, 4319, 4396, 4936, 4970, 5495, 6170, 6280, 8638, 8792, 9940, 10990, 11147, 12340, 17276, 19880, 21595, 21980, 22294, 24680, 34552, 43190, 43807, 43960, 44588, 55735, 78029, 86380, 87614, 89176, 96869, 111470, 156058, 172760, 175228, 193738, 219035, 222940, 306649, 312116, 350456, 387476, 390145, 438070, 445880, 484345, 613298, 624232, 678083, 774952, 780290, 876140, 968690, 1226596, 1356166, 1533245, 1560580, 1752280, 1937380, 2453192, 2712332, 3066490, 3121160, 3390415, 3874760, 5424664, 6132980, 6780830, 6877699, 12265960, 13561660, 13755398, 27123320, 27510796, 34388495, 48143893, 55021592, 68776990, 96287786, 137553980, 192575572, 240719465, 275107960, 385151144, 481438930, 962877860, 1925755720]

約数ペア:

[(1, 1925755720), (2, 962877860), (4, 481438930), (5, 385151144), (7, 275107960), (8, 240719465), (10, 192575572), (14, 137553980), (20, 96287786), (28, 68776990), (35, 55021592), (40, 48143893), (56, 34388495), (70, 27510796), (71, 27123320), (140, 13755398), (142, 13561660), (157, 12265960), (280, 6877699), (284, 6780830), (314, 6132980), (355, 5424664), (497, 3874760), (568, 3390415), (617, 3121160), (628, 3066490), (710, 2712332), (785, 2453192), (994, 1937380), (1099, 1752280), (1234, 1560580), (1256, 1533245), (1420, 1356166), (1570, 1226596), (1988, 968690), (2198, 876140), (2468, 780290), (2485, 774952), (2840, 678083), (3085, 624232), (3140, 613298), (3976, 484345), (4319, 445880), (4396, 438070), (4936, 390145), (4970, 387476), (5495, 350456), (6170, 312116), (6280, 306649), (8638, 222940), (8792, 219035), (9940, 193738), (10990, 175228), (11147, 172760), (12340, 156058), (17276, 111470), (19880, 96869), (21595, 89176), (21980, 87614), (22294, 86380), (24680, 78029), (34552, 55735), (43190, 44588), (43807, 43960)]