7831000660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1482

約数の個数: 144

約数和(自身を含む): 19651273488

約数和(自身を除く): 11820272828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 101, 122, 140, 196, 202, 244, 245, 305, 404, 427, 490, 505, 610, 707, 854, 980, 1010, 1220, 1297, 1414, 1708, 2020, 2135, 2594, 2828, 2989, 3535, 4270, 4949, 5188, 5978, 6161, 6485, 7070, 8540, 9079, 9898, 11956, 12322, 12970, 14140, 14945, 18158, 19796, 24644, 24745, 25940, 29890, 30805, 36316, 43127, 45395, 49490, 59780, 61610, 63553, 79117, 86254, 90790, 98980, 123220, 127106, 130997, 158234, 172508, 181580, 215635, 254212, 261994, 301889, 316468, 317765, 395585, 431270, 523988, 553819, 603778, 635530, 654985, 791170, 862540, 916979, 1107638, 1207556, 1271060, 1309970, 1509445, 1582340, 1833958, 2215276, 2619940, 2769095, 3018890, 3667916, 3876733, 4584895, 5538190, 6037780, 6418853, 7753466, 7990817, 9169790, 11076380, 12837706, 15506932, 15981634, 18339580, 19383665, 25675412, 31963268, 32094265, 38767330, 39954085, 55935719, 64188530, 77534660, 79908170, 111871438, 128377060, 159816340, 223742876, 279678595, 391550033, 559357190, 783100066, 1118714380, 1566200132, 1957750165, 3915500330, 7831000660]

約数ペア:

[(1, 7831000660), (2, 3915500330), (4, 1957750165), (5, 1566200132), (7, 1118714380), (10, 783100066), (14, 559357190), (20, 391550033), (28, 279678595), (35, 223742876), (49, 159816340), (61, 128377060), (70, 111871438), (98, 79908170), (101, 77534660), (122, 64188530), (140, 55935719), (196, 39954085), (202, 38767330), (244, 32094265), (245, 31963268), (305, 25675412), (404, 19383665), (427, 18339580), (490, 15981634), (505, 15506932), (610, 12837706), (707, 11076380), (854, 9169790), (980, 7990817), (1010, 7753466), (1220, 6418853), (1297, 6037780), (1414, 5538190), (1708, 4584895), (2020, 3876733), (2135, 3667916), (2594, 3018890), (2828, 2769095), (2989, 2619940), (3535, 2215276), (4270, 1833958), (4949, 1582340), (5188, 1509445), (5978, 1309970), (6161, 1271060), (6485, 1207556), (7070, 1107638), (8540, 916979), (9079, 862540), (9898, 791170), (11956, 654985), (12322, 635530), (12970, 603778), (14140, 553819), (14945, 523988), (18158, 431270), (19796, 395585), (24644, 317765), (24745, 316468), (25940, 301889), (29890, 261994), (30805, 254212), (36316, 215635), (43127, 181580), (45395, 172508), (49490, 158234), (59780, 130997), (61610, 127106), (63553, 123220), (79117, 98980), (86254, 90790)]