1664300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 4218480

約数和(自身を除く): 2554180

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 89, 100, 110, 170, 178, 187, 220, 275, 340, 356, 374, 425, 445, 550, 748, 850, 890, 935, 979, 1100, 1513, 1700, 1780, 1870, 1958, 2225, 3026, 3740, 3916, 4450, 4675, 4895, 6052, 7565, 8900, 9350, 9790, 15130, 16643, 18700, 19580, 24475, 30260, 33286, 37825, 48950, 66572, 75650, 83215, 97900, 151300, 166430, 332860, 416075, 832150, 1664300]

約数ペア:

[(1, 1664300), (2, 832150), (4, 416075), (5, 332860), (10, 166430), (11, 151300), (17, 97900), (20, 83215), (22, 75650), (25, 66572), (34, 48950), (44, 37825), (50, 33286), (55, 30260), (68, 24475), (85, 19580), (89, 18700), (100, 16643), (110, 15130), (170, 9790), (178, 9350), (187, 8900), (220, 7565), (275, 6052), (340, 4895), (356, 4675), (374, 4450), (425, 3916), (445, 3740), (550, 3026), (748, 2225), (850, 1958), (890, 1870), (935, 1780), (979, 1700), (1100, 1513)]