201490820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3253}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 448271040

約数和(自身を除く): 246780220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 652, 815, 1630, 3097, 3253, 3260, 6194, 6506, 12388, 13012, 15485, 16265, 30970, 32530, 61807, 61940, 65060, 123614, 247228, 309035, 530239, 618070, 1060478, 1236140, 2120956, 2651195, 5302390, 10074541, 10604780, 20149082, 40298164, 50372705, 100745410, 201490820]

約数ペア:

[(1, 201490820), (2, 100745410), (4, 50372705), (5, 40298164), (10, 20149082), (19, 10604780), (20, 10074541), (38, 5302390), (76, 2651195), (95, 2120956), (163, 1236140), (190, 1060478), (326, 618070), (380, 530239), (652, 309035), (815, 247228), (1630, 123614), (3097, 65060), (3253, 61940), (3260, 61807), (6194, 32530), (6506, 30970), (12388, 16265), (13012, 15485)]