551983250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1333

約数の個数: 128

約数和(自身を含む): 1339752960

約数和(自身を除く): 787769710

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 125, 130, 133, 175, 182, 190, 247, 250, 266, 325, 350, 455, 475, 494, 650, 665, 875, 910, 950, 1235, 1277, 1330, 1625, 1729, 1750, 2275, 2375, 2470, 2554, 3250, 3325, 3458, 4550, 4750, 6175, 6385, 6650, 8645, 8939, 11375, 12350, 12770, 16601, 16625, 17290, 17878, 22750, 24263, 30875, 31925, 33202, 33250, 43225, 44695, 48526, 61750, 63850, 83005, 86450, 89390, 116207, 121315, 159625, 166010, 169841, 216125, 223475, 232414, 242630, 315419, 319250, 339682, 415025, 432250, 446950, 581035, 606575, 630838, 830050, 849205, 1117375, 1162070, 1213150, 1577095, 1698410, 2075125, 2207933, 2234750, 2905175, 3032875, 3154190, 4150250, 4246025, 4415866, 5810350, 6065750, 7885475, 8492050, 11039665, 14525875, 15770950, 21230125, 22079330, 29051750, 39427375, 42460250, 55198325, 78854750, 110396650, 275991625, 551983250]

約数ペア:

[(1, 551983250), (2, 275991625), (5, 110396650), (7, 78854750), (10, 55198325), (13, 42460250), (14, 39427375), (19, 29051750), (25, 22079330), (26, 21230125), (35, 15770950), (38, 14525875), (50, 11039665), (65, 8492050), (70, 7885475), (91, 6065750), (95, 5810350), (125, 4415866), (130, 4246025), (133, 4150250), (175, 3154190), (182, 3032875), (190, 2905175), (247, 2234750), (250, 2207933), (266, 2075125), (325, 1698410), (350, 1577095), (455, 1213150), (475, 1162070), (494, 1117375), (650, 849205), (665, 830050), (875, 630838), (910, 606575), (950, 581035), (1235, 446950), (1277, 432250), (1330, 415025), (1625, 339682), (1729, 319250), (1750, 315419), (2275, 242630), (2375, 232414), (2470, 223475), (2554, 216125), (3250, 169841), (3325, 166010), (3458, 159625), (4550, 121315), (4750, 116207), (6175, 89390), (6385, 86450), (6650, 83005), (8645, 63850), (8939, 61750), (11375, 48526), (12350, 44695), (12770, 43225), (16601, 33250), (16625, 33202), (17290, 31925), (17878, 30875), (22750, 24263)]