1990332690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{2131}}^1$

素因数の和:2495

約数の個数: 64

約数和(自身を含む): 4833533952

約数和(自身を除く): 2843201262

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 191, 326, 382, 489, 573, 815, 955, 978, 1146, 1630, 1910, 2131, 2445, 2865, 4262, 4890, 5730, 6393, 10655, 12786, 21310, 31133, 31965, 62266, 63930, 93399, 155665, 186798, 311330, 347353, 407021, 466995, 694706, 814042, 933990, 1042059, 1221063, 1736765, 2035105, 2084118, 2442126, 3473530, 4070210, 5210295, 6105315, 10420590, 12210630, 66344423, 132688846, 199033269, 331722115, 398066538, 663444230, 995166345, 1990332690]

約数ペア:

[(1, 1990332690), (2, 995166345), (3, 663444230), (5, 398066538), (6, 331722115), (10, 199033269), (15, 132688846), (30, 66344423), (163, 12210630), (191, 10420590), (326, 6105315), (382, 5210295), (489, 4070210), (573, 3473530), (815, 2442126), (955, 2084118), (978, 2035105), (1146, 1736765), (1630, 1221063), (1910, 1042059), (2131, 933990), (2445, 814042), (2865, 694706), (4262, 466995), (4890, 407021), (5730, 347353), (6393, 311330), (10655, 186798), (12786, 155665), (21310, 93399), (31133, 63930), (31965, 62266)]