19941031775

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{7507}}^1$

素因数の和:7920

約数の個数: 48

約数和(自身を含む): 29002262784

約数和(自身を除く): 9061231009

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 353, 1075, 1505, 1765, 2471, 7507, 7525, 8825, 12355, 15179, 37535, 52549, 61775, 75895, 106253, 187675, 262745, 322801, 379475, 531265, 1313725, 1614005, 2259607, 2649971, 2656325, 8070025, 11298035, 13249855, 18549797, 56490175, 66249275, 92748985, 113948753, 463744925, 569743765, 797641271, 2848718825, 3988206355, 19941031775]

約数ペア:

[(1, 19941031775), (5, 3988206355), (7, 2848718825), (25, 797641271), (35, 569743765), (43, 463744925), (175, 113948753), (215, 92748985), (301, 66249275), (353, 56490175), (1075, 18549797), (1505, 13249855), (1765, 11298035), (2471, 8070025), (7507, 2656325), (7525, 2649971), (8825, 2259607), (12355, 1614005), (15179, 1313725), (37535, 531265), (52549, 379475), (61775, 322801), (75895, 262745), (106253, 187675)]