201995720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{631}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 466871040

約数和(自身を除く): 264875320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 151, 212, 265, 302, 424, 530, 604, 631, 755, 1060, 1208, 1262, 1510, 2120, 2524, 3020, 3155, 5048, 6040, 6310, 8003, 12620, 16006, 25240, 32012, 33443, 40015, 64024, 66886, 80030, 95281, 133772, 160060, 167215, 190562, 267544, 320120, 334430, 381124, 476405, 668860, 762248, 952810, 1337720, 1905620, 3811240, 5049893, 10099786, 20199572, 25249465, 40399144, 50498930, 100997860, 201995720]

約数ペア:

[(1, 201995720), (2, 100997860), (4, 50498930), (5, 40399144), (8, 25249465), (10, 20199572), (20, 10099786), (40, 5049893), (53, 3811240), (106, 1905620), (151, 1337720), (212, 952810), (265, 762248), (302, 668860), (424, 476405), (530, 381124), (604, 334430), (631, 320120), (755, 267544), (1060, 190562), (1208, 167215), (1262, 160060), (1510, 133772), (2120, 95281), (2524, 80030), (3020, 66886), (3155, 64024), (5048, 40015), (6040, 33443), (6310, 32012), (8003, 25240), (12620, 16006)]