29918240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 48463840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 89, 110, 160, 176, 178, 191, 220, 352, 356, 382, 440, 445, 712, 764, 880, 890, 955, 979, 1424, 1528, 1760, 1780, 1910, 1958, 2101, 2848, 3056, 3560, 3820, 3916, 4202, 4895, 6112, 7120, 7640, 7832, 8404, 9790, 10505, 14240, 15280, 15664, 16808, 16999, 19580, 21010, 30560, 31328, 33616, 33998, 39160, 42020, 67232, 67996, 78320, 84040, 84995, 135992, 156640, 168080, 169990, 186989, 271984, 336160, 339980, 373978, 543968, 679960, 747956, 934945, 1359920, 1495912, 1869890, 2719840, 2991824, 3739780, 5983648, 7479560, 14959120, 29918240]

約数ペア:

[(1, 29918240), (2, 14959120), (4, 7479560), (5, 5983648), (8, 3739780), (10, 2991824), (11, 2719840), (16, 1869890), (20, 1495912), (22, 1359920), (32, 934945), (40, 747956), (44, 679960), (55, 543968), (80, 373978), (88, 339980), (89, 336160), (110, 271984), (160, 186989), (176, 169990), (178, 168080), (191, 156640), (220, 135992), (352, 84995), (356, 84040), (382, 78320), (440, 67996), (445, 67232), (712, 42020), (764, 39160), (880, 33998), (890, 33616), (955, 31328), (979, 30560), (1424, 21010), (1528, 19580), (1760, 16999), (1780, 16808), (1910, 15664), (1958, 15280), (2101, 14240), (2848, 10505), (3056, 9790), (3560, 8404), (3820, 7832), (3916, 7640), (4202, 7120), (4895, 6112)]