1900984778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 3818510208

約数和(自身を除く): 1917525430

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 289, 353, 374, 578, 706, 847, 1309, 1331, 1694, 2023, 2057, 2471, 2618, 2662, 3179, 3883, 4046, 4114, 4942, 6001, 6358, 7766, 9317, 12002, 14399, 18634, 22253, 22627, 27181, 28798, 34969, 42007, 42713, 44506, 45254, 54362, 66011, 69938, 84014, 85426, 102017, 132022, 158389, 204034, 244783, 298991, 316778, 384659, 462077, 469843, 489566, 597982, 714119, 726121, 769318, 924154, 939686, 1122187, 1428238, 1452242, 2244374, 2692613, 3288901, 5082847, 5385226, 6577802, 7855309, 7987331, 10165694, 12344057, 15710618, 15974662, 24688114, 55911317, 86408399, 111822634, 135784627, 172816798, 271569254, 950492389, 1900984778]

約数ペア:

[(1, 1900984778), (2, 950492389), (7, 271569254), (11, 172816798), (14, 135784627), (17, 111822634), (22, 86408399), (34, 55911317), (77, 24688114), (119, 15974662), (121, 15710618), (154, 12344057), (187, 10165694), (238, 7987331), (242, 7855309), (289, 6577802), (353, 5385226), (374, 5082847), (578, 3288901), (706, 2692613), (847, 2244374), (1309, 1452242), (1331, 1428238), (1694, 1122187), (2023, 939686), (2057, 924154), (2471, 769318), (2618, 726121), (2662, 714119), (3179, 597982), (3883, 489566), (4046, 469843), (4114, 462077), (4942, 384659), (6001, 316778), (6358, 298991), (7766, 244783), (9317, 204034), (12002, 158389), (14399, 132022), (18634, 102017), (22253, 85426), (22627, 84014), (27181, 69938), (28798, 66011), (34969, 54362), (42007, 45254), (42713, 44506)]