90579980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2939}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 201519360

約数和(自身を除く): 110939380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 67, 92, 115, 134, 230, 268, 335, 460, 670, 1340, 1541, 2939, 3082, 5878, 6164, 7705, 11756, 14695, 15410, 29390, 30820, 58780, 67597, 135194, 196913, 270388, 337985, 393826, 675970, 787652, 984565, 1351940, 1969130, 3938260, 4528999, 9057998, 18115996, 22644995, 45289990, 90579980]

約数ペア:

[(1, 90579980), (2, 45289990), (4, 22644995), (5, 18115996), (10, 9057998), (20, 4528999), (23, 3938260), (46, 1969130), (67, 1351940), (92, 984565), (115, 787652), (134, 675970), (230, 393826), (268, 337985), (335, 270388), (460, 196913), (670, 135194), (1340, 67597), (1541, 58780), (2939, 30820), (3082, 29390), (5878, 15410), (6164, 14695), (7705, 11756)]