997890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 64

約数和(自身を含む): 2626560

約数和(自身を除く): 1628670

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 31, 37, 58, 62, 74, 87, 93, 111, 145, 155, 174, 185, 186, 222, 290, 310, 370, 435, 465, 555, 870, 899, 930, 1073, 1110, 1147, 1798, 2146, 2294, 2697, 3219, 3441, 4495, 5365, 5394, 5735, 6438, 6882, 8990, 10730, 11470, 13485, 16095, 17205, 26970, 32190, 33263, 34410, 66526, 99789, 166315, 199578, 332630, 498945, 997890]

約数ペア:

[(1, 997890), (2, 498945), (3, 332630), (5, 199578), (6, 166315), (10, 99789), (15, 66526), (29, 34410), (30, 33263), (31, 32190), (37, 26970), (58, 17205), (62, 16095), (74, 13485), (87, 11470), (93, 10730), (111, 8990), (145, 6882), (155, 6438), (174, 5735), (185, 5394), (186, 5365), (222, 4495), (290, 3441), (310, 3219), (370, 2697), (435, 2294), (465, 2146), (555, 1798), (870, 1147), (899, 1110), (930, 1073)]