3120940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 7096320

約数和(自身を除く): 3975380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 191, 215, 380, 382, 430, 764, 817, 860, 955, 1634, 1910, 3268, 3629, 3820, 4085, 7258, 8170, 8213, 14516, 16340, 16426, 18145, 32852, 36290, 41065, 72580, 82130, 156047, 164260, 312094, 624188, 780235, 1560470, 3120940]

約数ペア:

[(1, 3120940), (2, 1560470), (4, 780235), (5, 624188), (10, 312094), (19, 164260), (20, 156047), (38, 82130), (43, 72580), (76, 41065), (86, 36290), (95, 32852), (172, 18145), (190, 16426), (191, 16340), (215, 14516), (380, 8213), (382, 8170), (430, 7258), (764, 4085), (817, 3820), (860, 3629), (955, 3268), (1634, 1910)]