2018686950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{640853}}^1$

素因数の和:640878

約数の個数: 72

約数和(自身を含む): 6198339888

約数和(自身を除く): 4179652938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 640853, 1281706, 1922559, 3204265, 3845118, 4485971, 5767677, 6408530, 8971942, 9612795, 11535354, 13457913, 16021325, 19225590, 22429855, 26915826, 28838385, 32042650, 40373739, 44859710, 48063975, 57676770, 67289565, 80747478, 96127950, 112149275, 134579130, 144191925, 201868695, 224298550, 288383850, 336447825, 403737390, 672895650, 1009343475, 2018686950]

約数ペア:

[(1, 2018686950), (2, 1009343475), (3, 672895650), (5, 403737390), (6, 336447825), (7, 288383850), (9, 224298550), (10, 201868695), (14, 144191925), (15, 134579130), (18, 112149275), (21, 96127950), (25, 80747478), (30, 67289565), (35, 57676770), (42, 48063975), (45, 44859710), (50, 40373739), (63, 32042650), (70, 28838385), (75, 26915826), (90, 22429855), (105, 19225590), (126, 16021325), (150, 13457913), (175, 11535354), (210, 9612795), (225, 8971942), (315, 6408530), (350, 5767677), (450, 4485971), (525, 3845118), (630, 3204265), (1050, 1922559), (1575, 1281706), (3150, 640853)]