1900992090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{21031}}^1$

素因数の和:21195

約数の個数: 64

約数和(自身を含む): 4797315072

約数和(自身を除く): 2896322982

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 131, 138, 230, 262, 345, 393, 655, 690, 786, 1310, 1965, 3013, 3930, 6026, 9039, 15065, 18078, 21031, 30130, 42062, 45195, 63093, 90390, 105155, 126186, 210310, 315465, 483713, 630930, 967426, 1451139, 2418565, 2755061, 2902278, 4837130, 5510122, 7255695, 8265183, 13775305, 14511390, 16530366, 27550610, 41325915, 63366403, 82651830, 126732806, 190099209, 316832015, 380198418, 633664030, 950496045, 1900992090]

約数ペア:

[(1, 1900992090), (2, 950496045), (3, 633664030), (5, 380198418), (6, 316832015), (10, 190099209), (15, 126732806), (23, 82651830), (30, 63366403), (46, 41325915), (69, 27550610), (115, 16530366), (131, 14511390), (138, 13775305), (230, 8265183), (262, 7255695), (345, 5510122), (393, 4837130), (655, 2902278), (690, 2755061), (786, 2418565), (1310, 1451139), (1965, 967426), (3013, 630930), (3930, 483713), (6026, 315465), (9039, 210310), (15065, 126186), (18078, 105155), (21031, 90390), (30130, 63093), (42062, 45195)]