1616500

素因数分解:

$2^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 3656016

約数和(自身を除く): 2039516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 61, 100, 106, 122, 125, 212, 244, 250, 265, 305, 500, 530, 610, 1060, 1220, 1325, 1525, 2650, 3050, 3233, 5300, 6100, 6466, 6625, 7625, 12932, 13250, 15250, 16165, 26500, 30500, 32330, 64660, 80825, 161650, 323300, 404125, 808250, 1616500]

約数ペア:

[(1, 1616500), (2, 808250), (4, 404125), (5, 323300), (10, 161650), (20, 80825), (25, 64660), (50, 32330), (53, 30500), (61, 26500), (100, 16165), (106, 15250), (122, 13250), (125, 12932), (212, 7625), (244, 6625), (250, 6466), (265, 6100), (305, 5300), (500, 3233), (530, 3050), (610, 2650), (1060, 1525), (1220, 1325)]