154870900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2203}}^1$

素因数の和:2273

約数の個数: 72

約数和(自身を含む): 363483680

約数和(自身を除く): 208612780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 74, 76, 95, 100, 148, 185, 190, 370, 380, 475, 703, 740, 925, 950, 1406, 1850, 1900, 2203, 2812, 3515, 3700, 4406, 7030, 8812, 11015, 14060, 17575, 22030, 35150, 41857, 44060, 55075, 70300, 81511, 83714, 110150, 163022, 167428, 209285, 220300, 326044, 407555, 418570, 815110, 837140, 1046425, 1548709, 1630220, 2037775, 2092850, 3097418, 4075550, 4185700, 6194836, 7743545, 8151100, 15487090, 30974180, 38717725, 77435450, 154870900]

約数ペア:

[(1, 154870900), (2, 77435450), (4, 38717725), (5, 30974180), (10, 15487090), (19, 8151100), (20, 7743545), (25, 6194836), (37, 4185700), (38, 4075550), (50, 3097418), (74, 2092850), (76, 2037775), (95, 1630220), (100, 1548709), (148, 1046425), (185, 837140), (190, 815110), (370, 418570), (380, 407555), (475, 326044), (703, 220300), (740, 209285), (925, 167428), (950, 163022), (1406, 110150), (1850, 83714), (1900, 81511), (2203, 70300), (2812, 55075), (3515, 44060), (3700, 41857), (4406, 35150), (7030, 22030), (8812, 17575), (11015, 14060)]