91831840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^2$

素因数の和:270

約数の個数: 72

約数和(自身を含む): 222806052

約数和(自身を除く): 130974212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 97, 122, 160, 194, 244, 305, 388, 485, 488, 610, 776, 970, 976, 1220, 1552, 1940, 1952, 2440, 3104, 3880, 4880, 5917, 7760, 9409, 9760, 11834, 15520, 18818, 23668, 29585, 37636, 47045, 47336, 59170, 75272, 94090, 94672, 118340, 150544, 188180, 189344, 236680, 301088, 376360, 473360, 573949, 752720, 946720, 1147898, 1505440, 2295796, 2869745, 4591592, 5739490, 9183184, 11478980, 18366368, 22957960, 45915920, 91831840]

約数ペア:

[(1, 91831840), (2, 45915920), (4, 22957960), (5, 18366368), (8, 11478980), (10, 9183184), (16, 5739490), (20, 4591592), (32, 2869745), (40, 2295796), (61, 1505440), (80, 1147898), (97, 946720), (122, 752720), (160, 573949), (194, 473360), (244, 376360), (305, 301088), (388, 236680), (485, 189344), (488, 188180), (610, 150544), (776, 118340), (970, 94672), (976, 94090), (1220, 75272), (1552, 59170), (1940, 47336), (1952, 47045), (2440, 37636), (3104, 29585), (3880, 23668), (4880, 18818), (5917, 15520), (7760, 11834), (9409, 9760)]