1901702960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{7321}}^1$

素因数の和:7542

約数の個数: 80

約数和(自身を含む): 4706698752

約数和(自身を除く): 2804995792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 191, 272, 340, 382, 680, 764, 955, 1360, 1528, 1910, 3056, 3247, 3820, 6494, 7321, 7640, 12988, 14642, 15280, 16235, 25976, 29284, 32470, 36605, 51952, 58568, 64940, 73210, 117136, 124457, 129880, 146420, 248914, 259760, 292840, 497828, 585680, 622285, 995656, 1244570, 1398311, 1991312, 2489140, 2796622, 4978280, 5593244, 6991555, 9956560, 11186488, 13983110, 22372976, 23771287, 27966220, 47542574, 55932440, 95085148, 111864880, 118856435, 190170296, 237712870, 380340592, 475425740, 950851480, 1901702960]

約数ペア:

[(1, 1901702960), (2, 950851480), (4, 475425740), (5, 380340592), (8, 237712870), (10, 190170296), (16, 118856435), (17, 111864880), (20, 95085148), (34, 55932440), (40, 47542574), (68, 27966220), (80, 23771287), (85, 22372976), (136, 13983110), (170, 11186488), (191, 9956560), (272, 6991555), (340, 5593244), (382, 4978280), (680, 2796622), (764, 2489140), (955, 1991312), (1360, 1398311), (1528, 1244570), (1910, 995656), (3056, 622285), (3247, 585680), (3820, 497828), (6494, 292840), (7321, 259760), (7640, 248914), (12988, 146420), (14642, 129880), (15280, 124457), (16235, 117136), (25976, 73210), (29284, 64940), (32470, 58568), (36605, 51952)]