42871220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 110315520

約数和(自身を除く): 67444300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 71, 76, 95, 133, 140, 142, 190, 227, 266, 284, 355, 380, 454, 497, 532, 665, 710, 908, 994, 1135, 1330, 1349, 1420, 1589, 1988, 2270, 2485, 2660, 2698, 3178, 4313, 4540, 4970, 5396, 6356, 6745, 7945, 8626, 9443, 9940, 13490, 15890, 16117, 17252, 18886, 21565, 26980, 30191, 31780, 32234, 37772, 43130, 47215, 60382, 64468, 80585, 86260, 94430, 112819, 120764, 150955, 161170, 188860, 225638, 301910, 306223, 322340, 451276, 564095, 603820, 612446, 1128190, 1224892, 1531115, 2143561, 2256380, 3062230, 4287122, 6124460, 8574244, 10717805, 21435610, 42871220]

約数ペア:

[(1, 42871220), (2, 21435610), (4, 10717805), (5, 8574244), (7, 6124460), (10, 4287122), (14, 3062230), (19, 2256380), (20, 2143561), (28, 1531115), (35, 1224892), (38, 1128190), (70, 612446), (71, 603820), (76, 564095), (95, 451276), (133, 322340), (140, 306223), (142, 301910), (190, 225638), (227, 188860), (266, 161170), (284, 150955), (355, 120764), (380, 112819), (454, 94430), (497, 86260), (532, 80585), (665, 64468), (710, 60382), (908, 47215), (994, 43130), (1135, 37772), (1330, 32234), (1349, 31780), (1420, 30191), (1589, 26980), (1988, 21565), (2270, 18886), (2485, 17252), (2660, 16117), (2698, 15890), (3178, 13490), (4313, 9940), (4540, 9443), (4970, 8626), (5396, 7945), (6356, 6745)]