201283420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4931}}^1$

素因数の和:5110

約数の個数: 48

約数和(自身を含む): 458202528

約数和(自身を除く): 256919108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 4931, 8164, 9862, 10205, 19724, 20410, 24655, 40820, 49310, 64103, 98620, 128206, 256412, 320515, 641030, 774167, 1282060, 1548334, 3096668, 3870835, 7741670, 10064171, 15483340, 20128342, 40256684, 50320855, 100641710, 201283420]

約数ペア:

[(1, 201283420), (2, 100641710), (4, 50320855), (5, 40256684), (10, 20128342), (13, 15483340), (20, 10064171), (26, 7741670), (52, 3870835), (65, 3096668), (130, 1548334), (157, 1282060), (260, 774167), (314, 641030), (628, 320515), (785, 256412), (1570, 128206), (2041, 98620), (3140, 64103), (4082, 49310), (4931, 40820), (8164, 24655), (9862, 20410), (10205, 19724)]