145787420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5003}}^1$

素因数の和:5090

約数の個数: 48

約数和(自身を含む): 322818048

約数和(自身を除く): 177030628

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5003, 5828, 7285, 10006, 14570, 20012, 25015, 29140, 50030, 100060, 155093, 235141, 310186, 470282, 620372, 775465, 940564, 1175705, 1550930, 2351410, 3101860, 4702820, 7289371, 14578742, 29157484, 36446855, 72893710, 145787420]

約数ペア:

[(1, 145787420), (2, 72893710), (4, 36446855), (5, 29157484), (10, 14578742), (20, 7289371), (31, 4702820), (47, 3101860), (62, 2351410), (94, 1550930), (124, 1175705), (155, 940564), (188, 775465), (235, 620372), (310, 470282), (470, 310186), (620, 235141), (940, 155093), (1457, 100060), (2914, 50030), (5003, 29140), (5828, 25015), (7285, 20012), (10006, 14570)]