1971909500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2617}}^1$

素因数の和:2784

約数の個数: 96

約数和(自身を含む): 4734265536

約数和(自身を除く): 2762356036

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 137, 220, 250, 274, 275, 500, 548, 550, 685, 1100, 1370, 1375, 1507, 2617, 2740, 2750, 3014, 3425, 5234, 5500, 6028, 6850, 7535, 10468, 13085, 13700, 15070, 17125, 26170, 28787, 30140, 34250, 37675, 52340, 57574, 65425, 68500, 75350, 115148, 130850, 143935, 150700, 188375, 261700, 287870, 327125, 358529, 376750, 575740, 654250, 717058, 719675, 753500, 1308500, 1434116, 1439350, 1792645, 2878700, 3585290, 3598375, 3943819, 7170580, 7196750, 7887638, 8963225, 14393500, 15775276, 17926450, 19719095, 35852900, 39438190, 44816125, 78876380, 89632250, 98595475, 179264500, 197190950, 394381900, 492977375, 985954750, 1971909500]

約数ペア:

[(1, 1971909500), (2, 985954750), (4, 492977375), (5, 394381900), (10, 197190950), (11, 179264500), (20, 98595475), (22, 89632250), (25, 78876380), (44, 44816125), (50, 39438190), (55, 35852900), (100, 19719095), (110, 17926450), (125, 15775276), (137, 14393500), (220, 8963225), (250, 7887638), (274, 7196750), (275, 7170580), (500, 3943819), (548, 3598375), (550, 3585290), (685, 2878700), (1100, 1792645), (1370, 1439350), (1375, 1434116), (1507, 1308500), (2617, 753500), (2740, 719675), (2750, 717058), (3014, 654250), (3425, 575740), (5234, 376750), (5500, 358529), (6028, 327125), (6850, 287870), (7535, 261700), (10468, 188375), (13085, 150700), (13700, 143935), (15070, 130850), (17125, 115148), (26170, 75350), (28787, 68500), (30140, 65425), (34250, 57574), (37675, 52340)]