990811350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{22699}}^1$

素因数の和:22814

約数の個数: 72

約数和(自身を含む): 2689541400

約数和(自身を除く): 1698730050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 450, 485, 582, 873, 970, 1455, 1746, 2425, 2910, 4365, 4850, 7275, 8730, 14550, 21825, 22699, 43650, 45398, 68097, 113495, 136194, 204291, 226990, 340485, 408582, 567475, 680970, 1021455, 1134950, 1702425, 2042910, 2201803, 3404850, 4403606, 5107275, 6605409, 10214550, 11009015, 13210818, 19816227, 22018030, 33027045, 39632454, 55045075, 66054090, 99081135, 110090150, 165135225, 198162270, 330270450, 495405675, 990811350]

約数ペア:

[(1, 990811350), (2, 495405675), (3, 330270450), (5, 198162270), (6, 165135225), (9, 110090150), (10, 99081135), (15, 66054090), (18, 55045075), (25, 39632454), (30, 33027045), (45, 22018030), (50, 19816227), (75, 13210818), (90, 11009015), (97, 10214550), (150, 6605409), (194, 5107275), (225, 4403606), (291, 3404850), (450, 2201803), (485, 2042910), (582, 1702425), (873, 1134950), (970, 1021455), (1455, 680970), (1746, 567475), (2425, 408582), (2910, 340485), (4365, 226990), (4850, 204291), (7275, 136194), (8730, 113495), (14550, 68097), (21825, 45398), (22699, 43650)]