7450540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 16498944

約数和(自身を除く): 9048404

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 197, 244, 305, 310, 394, 610, 620, 788, 985, 1220, 1891, 1970, 3782, 3940, 6107, 7564, 9455, 12017, 12214, 18910, 24034, 24428, 30535, 37820, 48068, 60085, 61070, 120170, 122140, 240340, 372527, 745054, 1490108, 1862635, 3725270, 7450540]

約数ペア:

[(1, 7450540), (2, 3725270), (4, 1862635), (5, 1490108), (10, 745054), (20, 372527), (31, 240340), (61, 122140), (62, 120170), (122, 61070), (124, 60085), (155, 48068), (197, 37820), (244, 30535), (305, 24428), (310, 24034), (394, 18910), (610, 12214), (620, 12017), (788, 9455), (985, 7564), (1220, 6107), (1891, 3940), (1970, 3782)]