122745740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 291346944

約数和(自身を除く): 168601204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 97, 124, 130, 155, 157, 194, 260, 310, 314, 388, 403, 485, 620, 628, 785, 806, 970, 1261, 1570, 1612, 1940, 2015, 2041, 2522, 3007, 3140, 4030, 4082, 4867, 5044, 6014, 6305, 8060, 8164, 9734, 10205, 12028, 12610, 15035, 15229, 19468, 20410, 24335, 25220, 30070, 30458, 39091, 40820, 48670, 60140, 60916, 63271, 76145, 78182, 97340, 126542, 152290, 156364, 195455, 197977, 253084, 304580, 316355, 390910, 395954, 472099, 632710, 781820, 791908, 944198, 989885, 1265420, 1888396, 1979770, 2360495, 3959540, 4720990, 6137287, 9441980, 12274574, 24549148, 30686435, 61372870, 122745740]

約数ペア:

[(1, 122745740), (2, 61372870), (4, 30686435), (5, 24549148), (10, 12274574), (13, 9441980), (20, 6137287), (26, 4720990), (31, 3959540), (52, 2360495), (62, 1979770), (65, 1888396), (97, 1265420), (124, 989885), (130, 944198), (155, 791908), (157, 781820), (194, 632710), (260, 472099), (310, 395954), (314, 390910), (388, 316355), (403, 304580), (485, 253084), (620, 197977), (628, 195455), (785, 156364), (806, 152290), (970, 126542), (1261, 97340), (1570, 78182), (1612, 76145), (1940, 63271), (2015, 60916), (2041, 60140), (2522, 48670), (3007, 40820), (3140, 39091), (4030, 30458), (4082, 30070), (4867, 25220), (5044, 24335), (6014, 20410), (6305, 19468), (8060, 15229), (8164, 15035), (9734, 12610), (10205, 12028)]