1899121380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78541}}^1$

素因数の和:78597

約数の個数: 96

約数和(自身を含む): 5911385088

約数和(自身を除く): 4012263708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 24180, 78541, 157082, 235623, 314164, 392705, 471246, 785410, 942492, 1021033, 1178115, 1570820, 2042066, 2356230, 2434771, 3063099, 4084132, 4712460, 4869542, 5105165, 6126198, 7304313, 9739084, 10210330, 12173855, 12252396, 14608626, 15315495, 20420660, 24347710, 29217252, 30630990, 31652023, 36521565, 48695420, 61261980, 63304046, 73043130, 94956069, 126608092, 146086260, 158260115, 189912138, 316520230, 379824276, 474780345, 633040460, 949560690, 1899121380]

約数ペア:

[(1, 1899121380), (2, 949560690), (3, 633040460), (4, 474780345), (5, 379824276), (6, 316520230), (10, 189912138), (12, 158260115), (13, 146086260), (15, 126608092), (20, 94956069), (26, 73043130), (30, 63304046), (31, 61261980), (39, 48695420), (52, 36521565), (60, 31652023), (62, 30630990), (65, 29217252), (78, 24347710), (93, 20420660), (124, 15315495), (130, 14608626), (155, 12252396), (156, 12173855), (186, 10210330), (195, 9739084), (260, 7304313), (310, 6126198), (372, 5105165), (390, 4869542), (403, 4712460), (465, 4084132), (620, 3063099), (780, 2434771), (806, 2356230), (930, 2042066), (1209, 1570820), (1612, 1178115), (1860, 1021033), (2015, 942492), (2418, 785410), (4030, 471246), (4836, 392705), (6045, 314164), (8060, 235623), (12090, 157082), (24180, 78541)]