2651850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:172

約数の個数: 72

約数和(自身を含む): 7312032

約数和(自身を除く): 4660182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 83, 90, 142, 150, 166, 213, 225, 249, 355, 415, 426, 450, 498, 639, 710, 747, 830, 1065, 1245, 1278, 1494, 1775, 2075, 2130, 2490, 3195, 3550, 3735, 4150, 5325, 5893, 6225, 6390, 7470, 10650, 11786, 12450, 15975, 17679, 18675, 29465, 31950, 35358, 37350, 53037, 58930, 88395, 106074, 147325, 176790, 265185, 294650, 441975, 530370, 883950, 1325925, 2651850]

約数ペア:

[(1, 2651850), (2, 1325925), (3, 883950), (5, 530370), (6, 441975), (9, 294650), (10, 265185), (15, 176790), (18, 147325), (25, 106074), (30, 88395), (45, 58930), (50, 53037), (71, 37350), (75, 35358), (83, 31950), (90, 29465), (142, 18675), (150, 17679), (166, 15975), (213, 12450), (225, 11786), (249, 10650), (355, 7470), (415, 6390), (426, 6225), (450, 5893), (498, 5325), (639, 4150), (710, 3735), (747, 3550), (830, 3195), (1065, 2490), (1245, 2130), (1278, 2075), (1494, 1775)]