420607180

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 1087012080

約数和(自身を除く): 666404900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 343, 380, 461, 490, 532, 665, 686, 922, 931, 980, 1330, 1372, 1715, 1844, 1862, 2305, 2401, 2660, 3227, 3430, 3724, 4610, 4655, 4802, 6454, 6517, 6860, 8759, 9220, 9310, 9604, 12005, 12908, 13034, 16135, 17518, 18620, 22589, 24010, 26068, 32270, 32585, 35036, 43795, 45178, 45619, 48020, 61313, 64540, 65170, 87590, 90356, 91238, 112945, 122626, 130340, 158123, 175180, 182476, 225890, 228095, 245252, 306565, 316246, 429191, 451780, 456190, 613130, 632492, 790615, 858382, 912380, 1106861, 1226260, 1581230, 1716764, 2145955, 2213722, 3004337, 3162460, 4291910, 4427444, 5534305, 6008674, 8583820, 11068610, 12017348, 15021685, 21030359, 22137220, 30043370, 42060718, 60086740, 84121436, 105151795, 210303590, 420607180]

約数ペア:

[(1, 420607180), (2, 210303590), (4, 105151795), (5, 84121436), (7, 60086740), (10, 42060718), (14, 30043370), (19, 22137220), (20, 21030359), (28, 15021685), (35, 12017348), (38, 11068610), (49, 8583820), (70, 6008674), (76, 5534305), (95, 4427444), (98, 4291910), (133, 3162460), (140, 3004337), (190, 2213722), (196, 2145955), (245, 1716764), (266, 1581230), (343, 1226260), (380, 1106861), (461, 912380), (490, 858382), (532, 790615), (665, 632492), (686, 613130), (922, 456190), (931, 451780), (980, 429191), (1330, 316246), (1372, 306565), (1715, 245252), (1844, 228095), (1862, 225890), (2305, 182476), (2401, 175180), (2660, 158123), (3227, 130340), (3430, 122626), (3724, 112945), (4610, 91238), (4655, 90356), (4802, 87590), (6454, 65170), (6517, 64540), (6860, 61313), (8759, 48020), (9220, 45619), (9310, 45178), (9604, 43795), (12005, 35036), (12908, 32585), (13034, 32270), (16135, 26068), (17518, 24010), (18620, 22589)]