229836620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1283}}^1$

素因数の和:1371

約数の個数: 72

約数和(自身を含む): 532916496

約数和(自身を除く): 303079876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 169, 212, 260, 265, 338, 530, 676, 689, 845, 1060, 1283, 1378, 1690, 2566, 2756, 3380, 3445, 5132, 6415, 6890, 8957, 12830, 13780, 16679, 17914, 25660, 33358, 35828, 44785, 66716, 67999, 83395, 89570, 135998, 166790, 179140, 216827, 271996, 333580, 339995, 433654, 679990, 867308, 883987, 1084135, 1359980, 1767974, 2168270, 3535948, 4336540, 4419935, 8839870, 11491831, 17679740, 22983662, 45967324, 57459155, 114918310, 229836620]

約数ペア:

[(1, 229836620), (2, 114918310), (4, 57459155), (5, 45967324), (10, 22983662), (13, 17679740), (20, 11491831), (26, 8839870), (52, 4419935), (53, 4336540), (65, 3535948), (106, 2168270), (130, 1767974), (169, 1359980), (212, 1084135), (260, 883987), (265, 867308), (338, 679990), (530, 433654), (676, 339995), (689, 333580), (845, 271996), (1060, 216827), (1283, 179140), (1378, 166790), (1690, 135998), (2566, 89570), (2756, 83395), (3380, 67999), (3445, 66716), (5132, 44785), (6415, 35828), (6890, 33358), (8957, 25660), (12830, 17914), (13780, 16679)]