1915777780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1\times {\mathrm{953}}^1$

素因数の和:1225

約数の個数: 96

約数和(自身を含む): 4685071104

約数和(自身を除く): 2769293324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 173, 332, 346, 415, 581, 692, 830, 865, 953, 1162, 1211, 1660, 1730, 1906, 2324, 2422, 2905, 3460, 3812, 4765, 4844, 5810, 6055, 6671, 9530, 11620, 12110, 13342, 14359, 19060, 24220, 26684, 28718, 33355, 57436, 66710, 71795, 79099, 100513, 133420, 143590, 158198, 164869, 201026, 287180, 316396, 329738, 395495, 402052, 502565, 553693, 659476, 790990, 824345, 1005130, 1107386, 1154083, 1581980, 1648690, 2010260, 2214772, 2308166, 2768465, 3297380, 4616332, 5536930, 5770415, 11073860, 11540830, 13684127, 23081660, 27368254, 54736508, 68420635, 95788889, 136841270, 191577778, 273682540, 383155556, 478944445, 957888890, 1915777780]

約数ペア:

[(1, 1915777780), (2, 957888890), (4, 478944445), (5, 383155556), (7, 273682540), (10, 191577778), (14, 136841270), (20, 95788889), (28, 68420635), (35, 54736508), (70, 27368254), (83, 23081660), (140, 13684127), (166, 11540830), (173, 11073860), (332, 5770415), (346, 5536930), (415, 4616332), (581, 3297380), (692, 2768465), (830, 2308166), (865, 2214772), (953, 2010260), (1162, 1648690), (1211, 1581980), (1660, 1154083), (1730, 1107386), (1906, 1005130), (2324, 824345), (2422, 790990), (2905, 659476), (3460, 553693), (3812, 502565), (4765, 402052), (4844, 395495), (5810, 329738), (6055, 316396), (6671, 287180), (9530, 201026), (11620, 164869), (12110, 158198), (13342, 143590), (14359, 133420), (19060, 100513), (24220, 79099), (26684, 71795), (28718, 66710), (33355, 57436)]