2489300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 6166272

約数和(自身を除く): 3676972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 73, 100, 110, 124, 146, 155, 220, 275, 292, 310, 341, 365, 550, 620, 682, 730, 775, 803, 1100, 1364, 1460, 1550, 1606, 1705, 1825, 2263, 3100, 3212, 3410, 3650, 4015, 4526, 6820, 7300, 8030, 8525, 9052, 11315, 16060, 17050, 20075, 22630, 24893, 34100, 40150, 45260, 49786, 56575, 80300, 99572, 113150, 124465, 226300, 248930, 497860, 622325, 1244650, 2489300]

約数ペア:

[(1, 2489300), (2, 1244650), (4, 622325), (5, 497860), (10, 248930), (11, 226300), (20, 124465), (22, 113150), (25, 99572), (31, 80300), (44, 56575), (50, 49786), (55, 45260), (62, 40150), (73, 34100), (100, 24893), (110, 22630), (124, 20075), (146, 17050), (155, 16060), (220, 11315), (275, 9052), (292, 8525), (310, 8030), (341, 7300), (365, 6820), (550, 4526), (620, 4015), (682, 3650), (730, 3410), (775, 3212), (803, 3100), (1100, 2263), (1364, 1825), (1460, 1705), (1550, 1606)]