201228820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 478114560

約数和(自身を除く): 276885740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 43, 52, 65, 82, 86, 130, 164, 172, 205, 215, 260, 410, 430, 439, 533, 559, 820, 860, 878, 1066, 1118, 1756, 1763, 2132, 2195, 2236, 2665, 2795, 3526, 4390, 5330, 5590, 5707, 7052, 8780, 8815, 10660, 11180, 11414, 17630, 17999, 18877, 22828, 22919, 28535, 35260, 35998, 37754, 45838, 57070, 71996, 75508, 89995, 91676, 94385, 114140, 114595, 179990, 188770, 229190, 233987, 245401, 359980, 377540, 458380, 467974, 490802, 773957, 935948, 981604, 1169935, 1227005, 1547914, 2339870, 2454010, 3095828, 3869785, 4679740, 4908020, 7739570, 10061441, 15479140, 20122882, 40245764, 50307205, 100614410, 201228820]

約数ペア:

[(1, 201228820), (2, 100614410), (4, 50307205), (5, 40245764), (10, 20122882), (13, 15479140), (20, 10061441), (26, 7739570), (41, 4908020), (43, 4679740), (52, 3869785), (65, 3095828), (82, 2454010), (86, 2339870), (130, 1547914), (164, 1227005), (172, 1169935), (205, 981604), (215, 935948), (260, 773957), (410, 490802), (430, 467974), (439, 458380), (533, 377540), (559, 359980), (820, 245401), (860, 233987), (878, 229190), (1066, 188770), (1118, 179990), (1756, 114595), (1763, 114140), (2132, 94385), (2195, 91676), (2236, 89995), (2665, 75508), (2795, 71996), (3526, 57070), (4390, 45838), (5330, 37754), (5590, 35998), (5707, 35260), (7052, 28535), (8780, 22919), (8815, 22828), (10660, 18877), (11180, 17999), (11414, 17630)]