895493180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{33191}}^1$

素因数の和:33290

約数の個数: 48

約数和(自身を含む): 2007452160

約数和(自身を除く): 1111958980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 13490, 26980, 33191, 66382, 132764, 165955, 331910, 630629, 663820, 1261258, 2356561, 2522516, 3153145, 4713122, 6306290, 9426244, 11782805, 12612580, 23565610, 44774659, 47131220, 89549318, 179098636, 223873295, 447746590, 895493180]

約数ペア:

[(1, 895493180), (2, 447746590), (4, 223873295), (5, 179098636), (10, 89549318), (19, 47131220), (20, 44774659), (38, 23565610), (71, 12612580), (76, 11782805), (95, 9426244), (142, 6306290), (190, 4713122), (284, 3153145), (355, 2522516), (380, 2356561), (710, 1261258), (1349, 663820), (1420, 630629), (2698, 331910), (5396, 165955), (6745, 132764), (13490, 66382), (26980, 33191)]