2019923180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{3677}}^1$

素因数の和:3935

約数の個数: 72

約数和(自身を含む): 4684330224

約数和(自身を除く): 2664407044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 227, 242, 454, 484, 605, 908, 1135, 1210, 2270, 2420, 2497, 3677, 4540, 4994, 7354, 9988, 12485, 14708, 18385, 24970, 27467, 36770, 40447, 49940, 54934, 73540, 80894, 109868, 137335, 161788, 202235, 274670, 404470, 444917, 549340, 808940, 834679, 889834, 1669358, 1779668, 2224585, 3338716, 4173395, 4449170, 8346790, 8898340, 9181469, 16693580, 18362938, 36725876, 45907345, 91814690, 100996159, 183629380, 201992318, 403984636, 504980795, 1009961590, 2019923180]

約数ペア:

[(1, 2019923180), (2, 1009961590), (4, 504980795), (5, 403984636), (10, 201992318), (11, 183629380), (20, 100996159), (22, 91814690), (44, 45907345), (55, 36725876), (110, 18362938), (121, 16693580), (220, 9181469), (227, 8898340), (242, 8346790), (454, 4449170), (484, 4173395), (605, 3338716), (908, 2224585), (1135, 1779668), (1210, 1669358), (2270, 889834), (2420, 834679), (2497, 808940), (3677, 549340), (4540, 444917), (4994, 404470), (7354, 274670), (9988, 202235), (12485, 161788), (14708, 137335), (18385, 109868), (24970, 80894), (27467, 73540), (36770, 54934), (40447, 49940)]