725402860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{587}}^1$

素因数の和:720

約数の個数: 144

約数和(自身を含む): 1931325984

約数和(自身を除く): 1205923124

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 97, 98, 130, 140, 182, 194, 196, 245, 260, 364, 388, 455, 485, 490, 587, 637, 679, 910, 970, 980, 1174, 1261, 1274, 1358, 1820, 1940, 2348, 2522, 2548, 2716, 2935, 3185, 3395, 4109, 4753, 5044, 5870, 6305, 6370, 6790, 7631, 8218, 8827, 9506, 11740, 12610, 12740, 13580, 15262, 16436, 17654, 19012, 20545, 23765, 25220, 28763, 30524, 35308, 38155, 41090, 44135, 47530, 53417, 56939, 57526, 61789, 76310, 82180, 88270, 95060, 106834, 113878, 115052, 123578, 143815, 152620, 176540, 213668, 227756, 247156, 267085, 284695, 287630, 308945, 373919, 398573, 534170, 569390, 575260, 617890, 740207, 747838, 797146, 1068340, 1138780, 1235780, 1480414, 1495676, 1594292, 1869595, 1992865, 2790011, 2960828, 3701035, 3739190, 3985730, 5181449, 5580022, 7402070, 7478380, 7971460, 10362898, 11160044, 13950055, 14804140, 20725796, 25907245, 27900110, 36270143, 51814490, 55800220, 72540286, 103628980, 145080572, 181350715, 362701430, 725402860]

約数ペア:

[(1, 725402860), (2, 362701430), (4, 181350715), (5, 145080572), (7, 103628980), (10, 72540286), (13, 55800220), (14, 51814490), (20, 36270143), (26, 27900110), (28, 25907245), (35, 20725796), (49, 14804140), (52, 13950055), (65, 11160044), (70, 10362898), (91, 7971460), (97, 7478380), (98, 7402070), (130, 5580022), (140, 5181449), (182, 3985730), (194, 3739190), (196, 3701035), (245, 2960828), (260, 2790011), (364, 1992865), (388, 1869595), (455, 1594292), (485, 1495676), (490, 1480414), (587, 1235780), (637, 1138780), (679, 1068340), (910, 797146), (970, 747838), (980, 740207), (1174, 617890), (1261, 575260), (1274, 569390), (1358, 534170), (1820, 398573), (1940, 373919), (2348, 308945), (2522, 287630), (2548, 284695), (2716, 267085), (2935, 247156), (3185, 227756), (3395, 213668), (4109, 176540), (4753, 152620), (5044, 143815), (5870, 123578), (6305, 115052), (6370, 113878), (6790, 106834), (7631, 95060), (8218, 88270), (8827, 82180), (9506, 76310), (11740, 61789), (12610, 57526), (12740, 56939), (13580, 53417), (15262, 47530), (16436, 44135), (17654, 41090), (19012, 38155), (20545, 35308), (23765, 30524), (25220, 28763)]