804598540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{2347}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 1724202144

約数和(自身を除く): 919603604

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 281, 305, 562, 610, 1124, 1220, 1405, 2347, 2810, 4694, 5620, 9388, 11735, 17141, 23470, 34282, 46940, 68564, 85705, 143167, 171410, 286334, 342820, 572668, 659507, 715835, 1319014, 1431670, 2638028, 2863340, 3297535, 6595070, 13190140, 40229927, 80459854, 160919708, 201149635, 402299270, 804598540]

約数ペア:

[(1, 804598540), (2, 402299270), (4, 201149635), (5, 160919708), (10, 80459854), (20, 40229927), (61, 13190140), (122, 6595070), (244, 3297535), (281, 2863340), (305, 2638028), (562, 1431670), (610, 1319014), (1124, 715835), (1220, 659507), (1405, 572668), (2347, 342820), (2810, 286334), (4694, 171410), (5620, 143167), (9388, 85705), (11735, 68564), (17141, 46940), (23470, 34282)]