2158027220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{153487}}^1$

素因数の和:153552

約数の個数: 48

約数和(自身を含む): 4899336960

約数和(自身を除く): 2741309740

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 153487, 306974, 613948, 767435, 1534870, 2916253, 3069740, 5679019, 5832506, 11358038, 11665012, 14581265, 22716076, 28395095, 29162530, 56790190, 58325060, 107901361, 113580380, 215802722, 431605444, 539506805, 1079013610, 2158027220]

約数ペア:

[(1, 2158027220), (2, 1079013610), (4, 539506805), (5, 431605444), (10, 215802722), (19, 113580380), (20, 107901361), (37, 58325060), (38, 56790190), (74, 29162530), (76, 28395095), (95, 22716076), (148, 14581265), (185, 11665012), (190, 11358038), (370, 5832506), (380, 5679019), (703, 3069740), (740, 2916253), (1406, 1534870), (2812, 767435), (3515, 613948), (7030, 306974), (14060, 153487)]