201521810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{4621}}^1$

素因数の和:4731

約数の個数: 48

約数和(自身を含む): 426795480

約数和(自身を除く): 225273670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 3115, 4361, 4621, 6230, 8722, 9242, 21805, 23105, 32347, 43610, 46210, 64694, 161735, 226429, 323470, 411269, 452858, 822538, 1132145, 2056345, 2264290, 2878883, 4112690, 5757766, 14394415, 20152181, 28788830, 40304362, 100760905, 201521810]

約数ペア:

[(1, 201521810), (2, 100760905), (5, 40304362), (7, 28788830), (10, 20152181), (14, 14394415), (35, 5757766), (49, 4112690), (70, 2878883), (89, 2264290), (98, 2056345), (178, 1132145), (245, 822538), (445, 452858), (490, 411269), (623, 323470), (890, 226429), (1246, 161735), (3115, 64694), (4361, 46210), (4621, 43610), (6230, 32347), (8722, 23105), (9242, 21805)]