1647049300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2539}}^1$

素因数の和:3065

約数の個数: 72

約数和(自身を含む): 3858260000

約数和(自身を除く): 2211210700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 499, 650, 998, 1300, 1996, 2495, 2539, 4990, 5078, 6487, 9980, 10156, 12475, 12695, 12974, 24950, 25390, 25948, 32435, 33007, 49900, 50780, 63475, 64870, 66014, 126950, 129740, 132028, 162175, 165035, 253900, 324350, 330070, 648700, 660140, 825175, 1266961, 1650350, 2533922, 3300700, 5067844, 6334805, 12669610, 16470493, 25339220, 31674025, 32940986, 63348050, 65881972, 82352465, 126696100, 164704930, 329409860, 411762325, 823524650, 1647049300]

約数ペア:

[(1, 1647049300), (2, 823524650), (4, 411762325), (5, 329409860), (10, 164704930), (13, 126696100), (20, 82352465), (25, 65881972), (26, 63348050), (50, 32940986), (52, 31674025), (65, 25339220), (100, 16470493), (130, 12669610), (260, 6334805), (325, 5067844), (499, 3300700), (650, 2533922), (998, 1650350), (1300, 1266961), (1996, 825175), (2495, 660140), (2539, 648700), (4990, 330070), (5078, 324350), (6487, 253900), (9980, 165035), (10156, 162175), (12475, 132028), (12695, 129740), (12974, 126950), (24950, 66014), (25390, 64870), (25948, 63475), (32435, 50780), (33007, 49900)]