996966250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:474

約数の個数: 120

約数和(自身を含む): 2232438516

約数和(自身を除く): 1235472266

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 41, 49, 50, 70, 82, 98, 125, 175, 205, 245, 250, 287, 350, 397, 410, 490, 574, 625, 794, 875, 1025, 1225, 1250, 1435, 1750, 1985, 2009, 2050, 2450, 2779, 2870, 3970, 4018, 4375, 5125, 5558, 6125, 7175, 8750, 9925, 10045, 10250, 12250, 13895, 14350, 16277, 19453, 19850, 20090, 25625, 27790, 30625, 32554, 35875, 38906, 49625, 50225, 51250, 61250, 69475, 71750, 81385, 97265, 99250, 100450, 113939, 138950, 162770, 179375, 194530, 227878, 248125, 251125, 347375, 358750, 406925, 486325, 496250, 502250, 569695, 694750, 797573, 813850, 972650, 1139390, 1255625, 1595146, 1736875, 2034625, 2431625, 2511250, 2848475, 3473750, 3987865, 4069250, 4863250, 5696950, 7975730, 10173125, 12158125, 14242375, 19939325, 20346250, 24316250, 28484750, 39878650, 71211875, 99696625, 142423750, 199393250, 498483125, 996966250]

約数ペア:

[(1, 996966250), (2, 498483125), (5, 199393250), (7, 142423750), (10, 99696625), (14, 71211875), (25, 39878650), (35, 28484750), (41, 24316250), (49, 20346250), (50, 19939325), (70, 14242375), (82, 12158125), (98, 10173125), (125, 7975730), (175, 5696950), (205, 4863250), (245, 4069250), (250, 3987865), (287, 3473750), (350, 2848475), (397, 2511250), (410, 2431625), (490, 2034625), (574, 1736875), (625, 1595146), (794, 1255625), (875, 1139390), (1025, 972650), (1225, 813850), (1250, 797573), (1435, 694750), (1750, 569695), (1985, 502250), (2009, 496250), (2050, 486325), (2450, 406925), (2779, 358750), (2870, 347375), (3970, 251125), (4018, 248125), (4375, 227878), (5125, 194530), (5558, 179375), (6125, 162770), (7175, 138950), (8750, 113939), (9925, 100450), (10045, 99250), (10250, 97265), (12250, 81385), (13895, 71750), (14350, 69475), (16277, 61250), (19453, 51250), (19850, 50225), (20090, 49625), (25625, 38906), (27790, 35875), (30625, 32554)]