403780520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1075

約数の個数: 128

約数和(自身を含む): 1083075840

約数和(自身を除く): 679295320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 73, 88, 104, 110, 130, 143, 146, 220, 260, 286, 292, 365, 440, 520, 572, 584, 715, 730, 803, 949, 967, 1144, 1430, 1460, 1606, 1898, 1934, 2860, 2920, 3212, 3796, 3868, 4015, 4745, 4835, 5720, 6424, 7592, 7736, 8030, 9490, 9670, 10439, 10637, 12571, 16060, 18980, 19340, 20878, 21274, 25142, 32120, 37960, 38680, 41756, 42548, 50284, 52195, 53185, 62855, 70591, 83512, 85096, 100568, 104390, 106370, 125710, 138281, 141182, 208780, 212740, 251420, 276562, 282364, 352955, 417560, 425480, 502840, 553124, 564728, 691405, 705910, 776501, 917683, 1106248, 1382810, 1411820, 1553002, 1835366, 2765620, 2823640, 3106004, 3670732, 3882505, 4588415, 5531240, 6212008, 7341464, 7765010, 9176830, 10094513, 15530020, 18353660, 20189026, 31060040, 36707320, 40378052, 50472565, 80756104, 100945130, 201890260, 403780520]

約数ペア:

[(1, 403780520), (2, 201890260), (4, 100945130), (5, 80756104), (8, 50472565), (10, 40378052), (11, 36707320), (13, 31060040), (20, 20189026), (22, 18353660), (26, 15530020), (40, 10094513), (44, 9176830), (52, 7765010), (55, 7341464), (65, 6212008), (73, 5531240), (88, 4588415), (104, 3882505), (110, 3670732), (130, 3106004), (143, 2823640), (146, 2765620), (220, 1835366), (260, 1553002), (286, 1411820), (292, 1382810), (365, 1106248), (440, 917683), (520, 776501), (572, 705910), (584, 691405), (715, 564728), (730, 553124), (803, 502840), (949, 425480), (967, 417560), (1144, 352955), (1430, 282364), (1460, 276562), (1606, 251420), (1898, 212740), (1934, 208780), (2860, 141182), (2920, 138281), (3212, 125710), (3796, 106370), (3868, 104390), (4015, 100568), (4745, 85096), (4835, 83512), (5720, 70591), (6424, 62855), (7592, 53185), (7736, 52195), (8030, 50284), (9490, 42548), (9670, 41756), (10439, 38680), (10637, 37960), (12571, 32120), (16060, 25142), (18980, 21274), (19340, 20878)]