1680211650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{861647}}^1$

素因数の和:861675

約数の個数: 48

約数和(自身を含む): 4487462784

約数和(自身を除く): 2807251134

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 861647, 1723294, 2584941, 4308235, 5169882, 8616470, 11201411, 12924705, 21541175, 22402822, 25849410, 33604233, 43082350, 56007055, 64623525, 67208466, 112014110, 129247050, 168021165, 280035275, 336042330, 560070550, 840105825, 1680211650]

約数ペア:

[(1, 1680211650), (2, 840105825), (3, 560070550), (5, 336042330), (6, 280035275), (10, 168021165), (13, 129247050), (15, 112014110), (25, 67208466), (26, 64623525), (30, 56007055), (39, 43082350), (50, 33604233), (65, 25849410), (75, 22402822), (78, 21541175), (130, 12924705), (150, 11201411), (195, 8616470), (325, 5169882), (390, 4308235), (650, 2584941), (975, 1723294), (1950, 861647)]