3124420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 7218288

約数和(自身を除く): 4093868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 197, 244, 260, 305, 394, 610, 788, 793, 985, 1220, 1586, 1970, 2561, 3172, 3940, 3965, 5122, 7930, 10244, 12017, 12805, 15860, 24034, 25610, 48068, 51220, 60085, 120170, 156221, 240340, 312442, 624884, 781105, 1562210, 3124420]

約数ペア:

[(1, 3124420), (2, 1562210), (4, 781105), (5, 624884), (10, 312442), (13, 240340), (20, 156221), (26, 120170), (52, 60085), (61, 51220), (65, 48068), (122, 25610), (130, 24034), (197, 15860), (244, 12805), (260, 12017), (305, 10244), (394, 7930), (610, 5122), (788, 3965), (793, 3940), (985, 3172), (1220, 2561), (1586, 1970)]