84205420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19051}}^1$

素因数の和:19090

約数の個数: 48

約数和(自身を含む): 201646368

約数和(自身を除く): 117440948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 19051, 38102, 76204, 95255, 190510, 247663, 323867, 381020, 495326, 647734, 990652, 1238315, 1295468, 1619335, 2476630, 3238670, 4210271, 4953260, 6477340, 8420542, 16841084, 21051355, 42102710, 84205420]

約数ペア:

[(1, 84205420), (2, 42102710), (4, 21051355), (5, 16841084), (10, 8420542), (13, 6477340), (17, 4953260), (20, 4210271), (26, 3238670), (34, 2476630), (52, 1619335), (65, 1295468), (68, 1238315), (85, 990652), (130, 647734), (170, 495326), (221, 381020), (260, 323867), (340, 247663), (442, 190510), (884, 95255), (1105, 76204), (2210, 38102), (4420, 19051)]